6L80 Sonnax 4-5-6 Clutch Backing Plate 104140A-01

Sonnax 4-5-6 Clutch Backing Plate

Genuine Sonnax 4-5-6 Clutch Backing Plate for the GM, Chevrolet, GMC, Cadillac 6L80 automatic transmission. Sonnax parts are the aftermarket standard for transmission repair and performance, engineered to correct common failure points and add durability beyond the original design.

Fitment

Fits 6L80 / 6L90 units. Sonnax part number 104140A-01.

Why Sonnax

Trusted by professional builders and performance shops, Sonnax components are made in the USA to exacting tolerances. This is a direct-fit upgrade for a 6L80 rebuild or repair.

Shipping & Support

Fast shipping and knowledgeable support on every 6L80 order.

Special Order

This Sonnax part is available by special order. Contact us for current price and availability before ordering.