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Cummins B-Series Upper Gasket Set, New (4089957OS)
โ Replace Part Number: 4089957OS, M-4089957OS
โ Fit for: Cummins applications; confirm fitment
โ Built to OEM specs for a proper fit
โ Send us an inquiry for price
Diesel parts can vary between engine builds. If you choose not to provide an ESN or CPL, we may not be able to confirm fitment before an order is shipped. Please check the part number and engine application carefully to help avoid selecting the wrong part.
Hassle-free 30-day return policy for a risk-free shopping experience.
3 Months Warranty
Enjoy 3-month warranty, ensuring long-lasting reliability and peace of mind.
2-7 Days Fast Delivery
Receive your order within 2 to 7 days, ensuring fast and reliable delivery.
24/7 Service
Round-the-clock support to assist you whenever you need it.
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30-Day Money Back
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2-7 Days Fast Delivery
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6 Months Warranty
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24/7 Service
Product Details
Engine overheating? Strange discoloration in your oil? Quality engine seals are crucial to your Cummins B-Series performance, and when they fail, they can cause all sorts of issues. Fortunately for you, 4BTdiesel has you covered! Fix up your failing seals with a New Upper Gasket Set 4089957OS from 4BTdiesel.
Don’t risk the health of your B-Series; buy high-quality aftermarket 4089957OS Upper Gasket Set from America’s trusted diesel engine parts supplier. At 4BTdiesel, you’ll get a Upper Gasket Set manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your Cummins B-Series. Each part is crafted with hard-wearing strength and durability to ensure your 4089957OS Upper Gasket Set 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 Upper Gasket Set 4089957OS today!
What Rebuild Kit and Gasket Set Includes
| Qty | Component | Part Number |
|---|---|---|
| 22 | O-Ring Seal | 3076102, 3931824, 3957440, 3958414, 3085709, 4062328, 4890926, 3089240, 3973512, 3678603, 3678786, 3866102 |
| 6 | Fuel Injector Seal | 3937142 |
| 8 | Gasket | 3946275, 3969988 |
| 1 | Intake Manifold Cover Gasket | 3947530 |
| 1 | Rocker Cover Gasket | 3954324 |
| 1 | Thermostat Seal | 3954829 |
| 12 | Valve Stem Seal | 3955393 |
| 1 | Rocker Housing Cover Gasket | 3963379 |
| 13 | Sealing Washer | 3963983, 3963988, 3967317 |
| 1 | Oil Drain Gasket | 4931365 |
| 1 | Cylinder Head Grade B Gasket | 3966342 |
| 1 | Turbocharger Gasket | 3921926 |
| 1 | Exhaust Connection Gasket | 3921961 |
| 6 | Turbocharger Housing O-Ring Seal | 3922794 |
| 1 | Product Box | |
| 2 | Pad | |
| 1 | 4" X 12" TT Piggyback Perf |
Specifications
| Brand | 4BTdiesel |
|---|---|
| Compatible Brand | For CUMMINS |
| Compatible Engine Brand | For CUMMINS |
| Replacement Part Number | M-4089957OS, M4089957OS |
| Condition | New |
Shipping Spec
| Weight | 1.588 kg |
|---|---|
| Dimensions | 91.4 × 25.4 × 3.8 cm |
โ Replace Part Number: 4089957OS, M-4089957OS
โ Fit for: Cummins applications; confirm fitment
โ Built to OEM specs for a proper fit
โ Send us an inquiry for price
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.
Shipping
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.
Easy Return
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.
