Lift Cover Piston Seal Kit Compatible with New Holland Tractors (Some Models 1979-1987) — Replaces SBA050309012, SBA052310700 & SBA052300900

Check Fitment: Confirm exact compatibility with the full fitment list below before ordering. Direct Replacement: This seal kit is a direct swap for part SBA050309012 (older#’s 50309012 & 83920791) and includes 2 O-Rings—SBA052310700 & SBA052300900—so you won’t need to hunt for matching components. Purpose: Designed for use in hydraulic cylinders, the kit creates a tight, leak-resistant barrier that keeps hydraulic fluid contained and helps return cylinder performance to specification. It’s intended to replace worn or damaged seals to improve equipment responsiveness and maintain normal operating speed. Materials: The seals and O-rings are manufactured from premium Polyurethane and Nitrile to provide durable, long-lasting sealing performance and reduce downtime. Installation: The kit is straightforward to install, engineered for an easy replacement process. American-Owned: We are an American-owned supplier committed to high-quality aftermarket parts and back this product with a 100% satisfaction guarantee.