8L90 PUMP STATOR
The 8L90 transmission pump stator typically fits 2015-up General Motors (Chevrolet, GMC, and Cadillac) vehicles equipped with the 8-speed 8L90 automatic transmission.
Based on typical replacement parts, these stators are aluminum castings (notably casting numbers 24272654 and 24272659) that fit a wide range of trucks, SUVs, and performance cars, generally starting from the 2015 model year.
Compatible Vehicles (2015-Up 8L90)
- Chevrolet Silverado 1500 (2015–2020)
- GMC Sierra 1500 (2015–2020)
- Chevrolet Tahoe / Suburban (2015–2020)
- GMC Yukon / Yukon XL (2015–2020)
- Cadillac Escalade (2015–2018/2020)
- Chevrolet Corvette (C7) (2015–2019)
- Chevrolet Camaro (2016–2019)
- Cadillac CTS-V (2016–2019)
- Cadillac ATS-V (2016–2019)
- Cadillac CT6 (2016–2020)
- Chevrolet Express / GMC Savana (2017–present, 2.8L/4.3L)
- Chevrolet Colorado / GMC Canyon (2015–present)
Key Details and Variations
- Casting Numbers: Common replacement castings include 24272654 (aluminum) and 24272659 (aluminum).
- Specifications: Generally 54 splines, 9 bolts to the case, 11 bolts to the cover.
- Design Changes (2018): Starting in 2018, there were updates to the 2-3-4-6-8 clutch retainer piston (large and small) and seal groove depths, meaning early (2015-17) and later (2018-up) designs may not be fully interchangeable.
- Bushing Style: Some later models use a “bushing style” tube (e.g., casting 24286635).
- Crucial Compatibility Note: Non-CPA (Check Ball Capsule) stators cannot be converted to CPA input shafts, and vice versa. Always verify the casting number and bushing/check ball design before purchasing.
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