Wide Compatibility: Designed for 6.6L Duramax engines with Allison 1000/2000 Series transmissions; fits 2001-2010 Chevy Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD
Exact OE Replacement: Includes internal shallow filter (replaces OE# 29537965, 29537514) and external spin-on filter (replaces OE# 29539579); confirm part number match before purchase
Superior Filtration: High-quality materials trap impurities; keep transmission oil clean and prevent valve body clogging to extend transmission service life
OEM-Grade Quality: All filters tested to meet or exceed OEM standards; 100% inspected before factory shipment for heavy-duty reliability
Easy DIY Install: Direct bolt-on replacement with no modifications needed; 30% thicker gasket ensures leak-proof seal and saves maintenance costs