【Perfect Fit for TH350 Transmissions】:Designed for Turbo Hydra-matic TH350/TH350C transmissions, this speedometer gear housing fits tail housings with 0.89" (7/8") hole and supports 17-22 tooth gears (GM/Chevy) or 22-25 tooth Muncie gears(0.875" hole). Ensures seamless compatibility with original setups. 【Stop Leaks & Secure Sealing】:Includes a pre-installed O-ring + metal-clad oil seal to prevent transmission fluid leaks. Replaces part numbers A44774, 44774, 25513247, 345215, 35227, 35922, 3869910, 3999L, 6264903, restoring optimal performance and fluid retention. 【Premium Stainless Steel Construction】: Manufactured from high quality stainless steel for superior durability, wear resistance and temperature stability. Outlasts OEM housings in extreme conditions. 【Complete Replacement Kit】:Kit contains 1x steel housing (0.875" x 1.75"), 1x O-ring (0.68" OD), and 1x metal-clad seal (0.58" OD). Extra seals provide backup for future maintenance. 【Quality & Reliable Performance】:Meets/exceeds OEM specifications with stainless steel and reinforced rubber materials. Ensures long-term reliability for Chevy, GM, and Powerglide transmissions.
If accessories arrive damaged or are the wrong size, we offer free replacement or a full refund. For any questions during use, our support team responds within 24 hours (business days)?we're committed to helping you succeed.