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GM 12 Bolt 8.875 Inches GM
GM 12 Bolt 8.875 Inches GM On Sale
9 Product Groups
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From $1,091.00
4.5
4.5
(192)
Auburn Gear ECTED Max Differentials
Auburn Gear Auburn Gear Ected Max DifferentialFrom $1,628.99
- Engineered to switch from Limited Slip to full Locking Differential on the fly
- Smooth engagement makes it well-suited for street use
- Activated via in-vehicle switch
- Gearing manufactured from aircraft quality 9310 billet steel
- Heat treated for additional strength
- Can be used with or without lockout hubs
- No additional parts required for installation
- 1-year replacement warranty
- California Residents: WARNING
From $1,628.99
4.3
4.3
(14)
Eaton Posi Lmited-Slip Differentials
Eaton Eaton Posi DifferentialFrom $568.99
- For use with 17 spline axles
- Designed to work with the following ratios: 3.08 to 3.90 and 4.11 to 4.56
- Replaceable carbon fiber clutches
- Net-forged spider and side gears
- Fully rebuildable
- California Residents: WARNING
From $568.99
5.0
5.0
(9)
Alloy USA Rear Axle Shafts
Alloy USA Rear Axle ShaftsFrom $129.99
- Replacement Axle Shaft
- Stronger Than Factory
- Precision Heat Treated
- Rolled Splines
- California Residents: WARNING
From $129.99
3.8
3.8
(88)
Motive Gear Ring and Pinion Sets
Motive Gear AMC Model 20 3.31 RatioFrom $316.99
- Ring and Pinion Sets
- Stock performance ring and pinions
- Easy setup, superior strength, quality, and a vast ratio selection
- Backed by rigid quality control processes
- 2 year / 100,000 mile no-nonsense warranty
- California Residents: WARNING
From $316.99
3.8
3.8
(140)
Motive Gear Axle Shafts
Motive Gear Chrysler 8.25in.Replacement Rear AxleFrom $170.99
- Axle Shafts
- Rear
- Direct replacements for original equipment Jeep axle shafts without modifications
- Made from quality materials and heat treated for strength and durability
- Fits multiple Jeep models
- California Residents: WARNING
From $170.99
4.6
4.6
(84)
From $1,069.99
4.7
4.7
(1131)
Yukon Gear & Axle Dura Grip Positraction Differentials
Yukon Gear & Axle Dura Grip Positraction DifferentialsFrom $799.89
From $799.89
Eaton Differential Master Install Kits
Eaton Differential Master Install KitsFrom $199.99
- Available for different applications
- Premium bearings and components ensure long life and quiet operation
From $199.99
23 Products
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Auburn Gear GM 8.875 Inch 12 Bolt Car 3.07-3.73 Ected Max Selectable Locker - 545008
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.07 To 3.73 Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,748.99
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Auburn Gear GM 8.875 Inch 12 Bolt Car 3.07-3.73 Ected Max Selectable Locker - 545008
Part #: AUB545008$1,748.99
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.07 To 3.73 Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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Auburn Gear GM 8.875in, 12 Bolt Truck 2.76-3.42 Ected Max Selectable Locker - 545009
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 2.76 To 3.42 Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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Auburn Gear GM 8.875in, 12 Bolt Truck 2.76-3.42 Ected Max Selectable Locker - 545009
Part #: AUB545009$1,628.99
Only 2 left in Stock
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Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 2.76 To 3.42 Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
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Auburn Gear GM 8.875 Inch 12 Bolt Car 4.10 Up Ected Max Selectable Locker - 545010
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Up Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,723.99
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Auburn Gear GM 8.875 Inch 12 Bolt Car 4.10 Up Ected Max Selectable Locker - 545010
Part #: AUB545010$1,723.99
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Up Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
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Auburn Gear GM 8.785in. 12 Bolt Truck 3.73 Up Ected Max Selectable Locker - 545011
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
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$1,746.99
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Auburn Gear GM 8.785in. 12 Bolt Truck 3.73 Up Ected Max Selectable Locker - 545011
Part #: AUB545011$1,746.99
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Able To Shift From Limited Slip To Spool On The Fly
- No Additional Parts Needed
- Smooth Street Operation
- 4 Year Replacement Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
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Alloy USA GM 8.75 Inch 12 Bolt Rear Axle Shaft - 17109
- Fitment: Direct Fit
- Replacement Axle Shaft
- 30 Spline
- 31.281 inch Overall Length
- Driver Or Passenger Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 70-81 GM 1500 2WD
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$129.99
$144.32
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$129.99
$144.32
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- Fitment: Direct Fit
- Replacement Axle Shaft
- 30 Spline
- 31.281 inch Overall Length
- Driver Or Passenger Side
- Does NOT Include Bearings Seals Or Studs
- For Use In 70-81 GM 1500 2WD
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Part Number: YKGYDGGM12T-4-30-1
Yukon Gear & Axle GM 12 Bolt Dura Grip Positraction - YDGGM12T-4-30-1
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits GM 12 bolt truck with 30 spline axles
- 3.73 and up ratio only
- 4-spring, clutch style positraction
- Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
- Fully rebuildable
- Assembled in the USA
- California Residents: WARNING + View More Specs - View Less Specs
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$799.89
In-Stock Ships next business day ?
$799.89
In-Stock Ships next business day
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How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Fits GM 12 bolt truck with 30 spline axles
- 3.73 and up ratio only
- 4-spring, clutch style positraction
- Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
- Fully rebuildable
- Assembled in the USA
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
4WP PROTECTION PLAN
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Motive Gear GM 12 Bolt Truck 8.875 Inch 3.08 Ratio Ring and Pinion - GM12-308
- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$364.99
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$364.99
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- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Motive Gear GM 12 Bolt Truck 8.875 Inch 3.42 Ratio Ring and Pinion - GM12-342
- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$364.99
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$364.99
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- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Motive Gear GM 12 Bolt Truck 8.875 Inch 3.73 Ratio Ring and Pinion - GM12-373
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$354.99
$438.22
Only 2 left in Stock ?
$354.99
$438.22
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How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Motive Gear GM 12 Bolt Truck 8.875 Inch Thick 3.73 Ratio Ring and Pinion - GM12-373X
- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$316.99
$438.21
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Motive Gear GM 12 Bolt Truck 8.875 Inch Thick 3.73 Ratio Ring and Pinion - GM12-373X
Part #: MIDGM12-373X$316.99
$438.21
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- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
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Motive Gear GM 12 Bolt Truck 8.875 Inch 4.11 Ratio Ring and Pinion - GM12-411
- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$365.99
$438.22
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$365.99
$438.22
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- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Motive Gear GM 12 Bolt Truck 8.875 Inch Thick 3.08 Ratio Ring and Pinion - GM12-411X
- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
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$360.99
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Motive Gear GM 12 Bolt Truck 8.875 Inch Thick 3.08 Ratio Ring and Pinion - GM12-411X
Part #: MIDGM12-411X$360.99
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- Fitment: Universal Fit
- For Use With 2.76-3.42 Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Motive Gear GM 12 Bolt Truck 8.875 Inch 4.56 Ratio Ring and Pinion - GM12-456
- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING
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$354.99
$451.28
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$354.99
$451.28
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- Fitment: Universal Fit
- For Use With 3.73 And Up Carrier
- Forged 8620 Steel
- Heat Treated
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Ten Factory GM 8.875 Inch 12 Bolt Replacement Rear Axle - MG27103
- Fitment: Universal Fit
- Ten Factory Replacement GM Rear Axle Shaft
- GM 12 Bolt 8.875
- 30 Spline
- 6-Lug
- 31.281 inch Overall Length
- Left or Right Hand Application
- For Use In 70-81 1/2-Ton 4WD
- California Residents: WARNING + View More Specs - View Less Specs
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$170.99
$242.12
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$170.99
$242.12
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- Fitment: Universal Fit
- Ten Factory Replacement GM Rear Axle Shaft
- GM 12 Bolt 8.875
- 30 Spline
- 6-Lug
- 31.281 inch Overall Length
- Left or Right Hand Application
- For Use In 70-81 1/2-Ton 4WD
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Ten Factory GM 8.875 Inch 12 Bolt Replacement Rear Axle - MG27133
- Fitment: Universal Fit
- Ten Factory Replacement GM Rear Axle Shaft
- GM 12 Bolt 8.875
- 30 Spline
- 6-Lug
- 30.5 Overall Length
- Left or Right Hand Application
- For Use In 65-69 12 Bolt Truck
- California Residents: WARNING + View More Specs - View Less Specs
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$183.99
$251.79
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$183.99
$251.79
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- Fitment: Universal Fit
- Ten Factory Replacement GM Rear Axle Shaft
- GM 12 Bolt 8.875
- 30 Spline
- 6-Lug
- 30.5 Overall Length
- Left or Right Hand Application
- For Use In 65-69 12 Bolt Truck
- California Residents: WARNING + View More Specs - View Less Specs
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ARB GM 8.875 Inch 12 Bolt Air Locker - RD216
- Fitment: Universal Fit
- To 1982 GM 12 bolt rear air locker differential
- 8.875" diameter ring gear
- Semi-floating axles
- Shaft splines 30
- Shaft diameter: 1.31"
- Ratio: 3.73 and up
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$1,091.00
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$1,091.00
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- Fitment: Universal Fit
- To 1982 GM 12 bolt rear air locker differential
- 8.875" diameter ring gear
- Semi-floating axles
- Shaft splines 30
- Shaft diameter: 1.31"
- Ratio: 3.73 and up
- California Residents: WARNING + View More Specs - View Less Specs
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Qualifies for Free Shipping
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Eaton Detroit TrueTrac GM 8.875 Inch 12 Bolt Truck 3.73 Up Rear Differential - 913A315
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- For Use In Rear Applications Only
- Automatic Torque Biasing
- Smooth Actuating
- Clutchless Operation
- California Residents: WARNING + View More Specs - View Less Specs
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$696.99
$757.60
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Eaton Detroit TrueTrac GM 8.875 Inch 12 Bolt Truck 3.73 Up Rear Differential - 913A315
Part #: EAT913A315$696.99
$757.60
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- For Use In Rear Applications Only
- Automatic Torque Biasing
- Smooth Actuating
- Clutchless Operation
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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Qualifies for Free Shipping
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Eaton Detroit Locker GM 8.875 Inch12Bolt Truck 3.73 Up Automatic Locker - 187C150A
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Automatic Locking
- Legendary Traction
- Unmatched Durability
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$1,069.99
$1,108.68
Only 1 left in Stock ?
Eaton Detroit Locker GM 8.875 Inch12Bolt Truck 3.73 Up Automatic Locker - 187C150A
Part #: EAT187C150A$1,069.99
$1,108.68
Only 1 left in Stock
?
LOW PRICE GUARANTEE
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How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Automatic Locking
- Legendary Traction
- Unmatched Durability
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Eaton GM 8.875 Inch 12 Bolt Passenger Car 3.08-390 Limited Slip - 19554-010
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.08 - 3.90 Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
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$699.99
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$699.99
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.08 - 3.90 Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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Qualifies for Free Shipping
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Eaton GM 8.875 Inch 12 Bolt Passenger Car 4.10 Up Limited Slip - 19555-010
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Up Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
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$747.99
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$747.99
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 4.10 And Up Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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Qualifies for Free Shipping
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Eaton GM 8.875 Inch 12 Bolt Truck 3.73 Up Limited Slip - 19556-010
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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$699.99
$714.71
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$699.99
$714.71
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 3.73 And Up Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
4WP PROTECTION PLAN
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Eaton GM 8.875 Inch 12 Bolt Truck 2.76-342 Limited Slip - 19587-010
- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 2.76-3.42 Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
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$568.99
$587.36
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$568.99
$587.36
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- Fitment: Universal Fit
- For Use With 30 Spline Axles
- For Use With 2.76-3.42 Gears
- Replaceable Carbon Fiber Clutches
- All Forged Spider And Side Gears
- Rebuildable
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
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Eaton GM 8.875" 12 Bolt Car Master Install Kit - K-GM12CR
- Fitment: Universal Fit
- GM 8.875" 12 bolt car master installation kit
- Fits 1964 - 1972 applications
- 8.875" 30/33 spline
- California Residents: WARNING
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$199.99
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$199.99
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- Fitment: Universal Fit
- GM 8.875" 12 bolt car master installation kit
- Fits 1964 - 1972 applications
- 8.875" 30/33 spline
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
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