4 0 Caterpillar 3126B Camshaft Housing $250 USD 3126B Front Gear Housing, Inner Timing Cover Part # 1283883. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The Used Engine Part Will Be... ConditionUsedStock Number4536400 MLS Number13888874CategoryCamshaft Housings Last Updated10/15/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info