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Vehicle Info NeededSONNAXPART NUMBER: 852-35577-45
35577-45 HD Clutch Backing Plate Fits Select ZF8HP Style Transmissions
$3499
Ships on Sep 11, 2026
Lowest Price GuaranteeGM
- 35577-45 HD Clutch Backing Plate
- Fits 845RE, 850RE, ZF8HP45, ZF8HP50, ZF8HP51 Transmissions
- Significantly Improved Protection Against Burnup
- Sold Individually
The Sonnax Heavy Duty A-Clutch Backing Plate is a high-performance automotive component designed to provide enhanced strength and durability for clutch systems. Engineered to withstand increased pressure and stress, it helps prevent warping and ensures optimal engagement, making it ideal for high-torque applications. This backing plate is a critical part of the transmission, offering improved reliability and longer lifespan, especially in demanding driving conditions or heavy-duty use.
Sonax 335577-45 HD Clutch Backing Plate Features:
- 2X thicker than weak, stamped OE backing plate for significantly improved protection against burnup
- Easy to install, no special tools or machining required
- Prevent comebacks by installing in units that have not yet failed
Replace Weak OE Automatic Transmission Parts
Replace thin and weak OE clutch backing plates with thicker and stiffer units from Sonnax. Great for daily drivers and street/strip machines, Sonnax Clutch Backing plate provide added durability and will reduce clutch distortion and burn up.
Part TypeAutomatic Transmission Clutch Backing Plate
Product LineSonnax Clutch Backing Plates
BrandSONNAX
Package Height0.7
Package Width6.45
Package Length11.5
Weight0.48 PG
Part CategoryReplacement Parts
Part FitmentDirect Fit
Vendor Part Number35577-45
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
