CLASSIC SHOP PACK (6 UNITS): This listing includes a case of six (6) genuine Baldwin B39 Spin-On Lube Filters. The perfect supply for restoration shops, collectors, and DIY enthusiasts maintaining classic American muscle cars and trucks compatible with General Motors, AMC, and Jeep V8 platforms.
VERIFIED VINTAGE FITMENT: Engineered for legendary engines from the late 60s to early 80s. Fits applications compatible with Pontiac (GTO, Firebird), Buick (GS, Skylark), Oldsmobile (442, Cutlass), Jeep (CJ5, CJ7, Wagoneer), and International Harvester trucks.
PERIOD-CORRECT PROTECTION: Rated at 18 Micron (Nominal) and 40 Micron (Absolute). This filter provides modern filtration efficiency for vintage engines, capturing wear particles and sludge without restricting the high oil flow rates required by classic V8 oil pumps.
TECHNICAL SPECS: Thread Size: 13/16-16 | Length: 4 3/8 Inches (111.1mm) | Outside Diameter: 3 11/16 Inches (93.7mm). Includes a heavy-duty Anti-Drainback Valve to prevent dry starts—critical for vehicles that sit for extended periods between drives.
DIRECT CROSS-REFERENCE: The professional grade upgrade for standard filters. Directly replaces AC Delco PF24, Fram PH25, Wix 51258, and GMC 6437462. Also replaces the "Long Version" Baldwin B9 where space permits.