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Cummins 4B 3.9L Engine Rebuild Fractured Rod Kit, New (COK2757F4)

โ€“ Replace Part Number: COK2757F4, COK2757F, OK2757F etc.
โ€“ Fit for: Cummins 4B 3.9L engines
โ€“ Built to OEM specs for a proper fit
โ€“ Send us an inquiry for price

Engine Serial Number (ESN) โ€” Have your engine serial number? Enter it here. We can use it to help review whether this part matches your engine.
SKU: P0263685
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  • 30-Day Money Back
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Product Details

Engine knocking? Burning excessive oil? If so, your Cummins 4B 3.9L may have worn down or damaged pistons. As your 4B 3.9L’s pistons wear, they can cause all sorts of engine issues and damage if not replaced. Fortunately for you, 4BTdiesel has you covered! Replace your failing pistons with a New Engine Rebuild Fractured Rod Kit COK2757F4 from 4BTdiesel.

Don’t risk the health of your 4B 3.9L; buy high-quality aftermarket COK2757F4 Engine Rebuild Fractured Rod Kit from America’s trusted diesel engine parts supplier. At 4BTdiesel, you’ll get a Engine Rebuild Fractured Rod Kit manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Cummins4B 3.9L. Each part is crafted with hard-wearing strength and durability to ensure your COK2757F4 Engine Rebuild Fractured Rod Kit can withstand the rigors of the road.

Guaranteed for fit and function, 4BTdiesel parts have the right combination of quality and price with total support from our on-staff professionally certified factory mechanics. With specialized knowledge, quality products, fast shipping, and unbeatable customer service, 4BTdiesel has you covered. Order your New Engine Rebuild Fractured Rod Kit COK2757F4 today!

What Rebuild Kit and Gasket Set Includes

Qty Component Part Number
1 Main Engine Bearing Set C38020101
1 Lower Engine Gasket Set C38023751
1 Piston Kit C38027574
1 Upper Engine Gasket Set C38048961
1 Connecting Rod Bearing C39011704
2 Camshaft Bushing C39013061, C39400591
1 Connecting Rod Bushing C48911784
1 Connecting Rod Bearing C48936934
1 Front Crankshaft Oil Seal C39043531
1 Rear Crankshaft Oil Seal C33539781
Brand4BTdiesel
Compatible BrandFor CUMMINS
Compatible Engine BrandFor CUMMINS
Engine Number4B 3.9L
Replacement Part NumberCOK2757F, OK2757F, OK2757F4
ConditionNew

Shipping Spec

Weight14.061 kg
Dimensions43.2 × 40.6 × 20.3 cm

โ€“ Replace Part Number: COK2757F4, COK2757F, OK2757F etc.
โ€“ Fit for: Cummins 4B 3.9L engines
โ€“ Built to OEM specs for a proper fit
โ€“ Send us an inquiry for price

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Warranty

For new Cummins parts, we provide 90-day warranty. Quality is our commitment. 4BTDiesel ensures your peace of mind! For complete warranty details, please view our Warranty Policy.

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We ship worldwide and offer full expedited delivery to ensure your construction machinery back in action, fast. Check out our Shipping Policyย for more details.

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We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.