Upper Gasket Kit 4089648 for Cummins? 4B 3.9 QSB 3.9 QSB 4.5 and B4.5C Eng | Aftermarket Replacement

Upper Gasket Kit 4089648 offered as an aftermarket replacement part for professional repair, maintenance, and parts replacement needs.

Key Product Details

• Product: Upper Gasket Kit 4089648 for Cummins? 4B 3.9 QSB 3.9 QSB 4.5 and B4.5C Eng
• SKU / Part Reference: K4089648
• Brand / Application Reference: Cummins
• Category: Gaskets, Seals & O-Rings
• Listing Reference: for Cummins? 4B 3.9 QSB 3.9 QSB 4.5 and B4.5C Eng
• Part Type: Aftermarket replacement part

Confirm Compatibility Before Ordering

Not sure if this is the correct part for your machine, truck, engine, or equipment? Contact us before ordering. Our team can help you confirm the part number, application, and compatibility so you can purchase with confidence.

Please compare the listed part number, product details, and any available equipment or engine references with your existing component before purchase.