Eaton
Eaton GM 8.5in Locker 30SPL
Eaton GM 8.5in Locker 30SPL
Part number: 1G074
Regular price
$1,147.83 USD
Regular price
Sale price
$1,147.83 USD
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Quantity
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
GM 8.5in Locker 30SPL by Eaton. Check the part number and details below against what you are replacing. Driveline parts carry power from the transmission to the wheels.
Quick facts
- Brand: Eaton
- Part type: Driveline part
Specifications
- Differential Type: Locking
- Gear Spline Tooth Count: 30 EA
- Ring Gear Size: 8.5 In
- Axle Shaft Diameter: 1.31 In
- On Road: Drag Racing
- Off-Road: Extreme Off-Road
Listed fitment
- 1973 - 1975 Buick Apollo Base
- 1975 Buick Apollo SR
- 1988 - 1996 Buick Century Base, Custom, Limited
- 1988 - 1989 Buick Century Estate Wagon
- 1991 - 1996 Buick Century Special
- 1991 - 1996 Buick Commercial Chassis Base
- 1988 - 1989 Buick Electra Estate Wagon
- 1989 - 1990 Buick Electra Park Avenue Ultra
- 1988 - 1990 Buick Electra Park Avenue, Limited, T-Type
- 1988 - 1991 Buick LeSabre Base
- 1988 - 1990 Buick LeSabre Estate Wagon
- 1988 - 1996 Buick LeSabre Limited, Custom
- 1991 - 1996 Buick Park Avenue Base, Ultra
- 2004 - 2007 Buick Rainier CXL
- 2004 - 2005 Buick Rainier CXL Plus
- 1988 - 1991 Buick Reatta Base
- 1973 - 1994 Buick Regal Base
- 1988 - 1996 Buick Regal Custom
- 1982 - 1983 Buick Regal Estate Wagon
- 1987 Buick Regal GNX
- 1989 - 1996 Buick Regal Gran Sport
- 1984 - 1987 Buick Regal Grand National
- 1978 - 1996 Buick Regal Limited
- 1982 Buick Regal Limited Turbo
- 1996 Buick Regal Olympic Gold Edition
- 1978 - 1982 Buick Regal Sport
- 1976 - 1977 Buick Regal SR
- 1983 - 1986 Buick Regal T-Type
- 1975 - 1996 Buick Riviera Base
- 1975 Buick Riviera GS
- 1988 - 1993 Buick Riviera Luxury
- 1978 Buick Riviera LXXV Anniversary Edition
- 1976 Buick Riviera Sport, SR
- 1988 - 1989 Buick Riviera T-Type
- 1991 - 1995 Buick Roadmaster Estate Wagon
- 1996 Buick Roadmaster Estate Wagon Collector's Edition, Limited Collector's Edition, Collector's Edition
- 1992 - 1995 Buick Roadmaster Limited, Base
- 1988 - 1989 Buick Skyhawk SE, Custom
- 1970 - 1972 Buick Skylark 350
- 1970 - 1991 Buick Skylark Base
- …and 320 more
Tip: Mark driveshaft orientation before removal and torque fasteners to spec.
Eaton driveline part: what to know
Clunks when shifting into gear, vibration at speed or clicking in turns point to worn driveline parts.
Fitment notes
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from Eaton and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Gear oil. Refill differentials with the right gear oil.
More for your car: All U-Joints · Transmission & drivetrain
Questions about driveline part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
What does a bad CV axle sound like?
Clicking when turning is the classic sign.
Where do specs and warranty details come from?
From Eaton. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.