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Cummins 6C 8.3L Upper Engine Gasket Set, New (4025274)
โ Replace Part Number: 4025274, M-4025274
โ Fit for: Cummins 6C 8.3L engines
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
These aren’t your grandpa’s gaskets.
A blown gasket can be anything from a minor annoyance to leaving you stranded on the side of the road. You don’t have to put up with whatever gasket set you can get your hands on; our gasket sets are engineered to withstand anything you throw at it and last well into another million miles. No doubt about it, these are some of the best gaskets on the market.
It’s no secret that diesel engine parts can cost an arm and a leg. That’s where 4BTdiesel steps in. We offer premium aftermarket gasket sets at up to 50% off OEM prices. While most believe aftermarket retailers sell cheap gasket sets with zero warranty, packed in a dusty box from who knows where, 4BTdiesel is here to kick that stereotype to the curb. 4BTdiesel provides gasket setsย fabricated for unstoppable performance and a 6-month warranty. How’s that for an aftermarket part?
Need a little extra proof? Let’s talk shop.
- Get back up and running in no time. Your Upper Gasket Set is built to OEM Specifications, havingย proper fit and function for your engine.ย
- Tired of ridiculous OE prices? Us too. Put the OE to shame with a gasket set that hasย equal or better qualityย at a much lower price.
- We emphasize quality here at 4BTdiesel. We make sure your gasket set is manufactured and assembled in an ISO 9001:2008 certified facility to give you the quality and consistency you depend on.
- Upgrade your engine to have the precise materials to ensure superior performance in functionality and sealability.ย Why sacrifice quality if you don’t have to?ย
- 4BTdiesel wants to make certain you get maximum engine performance. You’ll get just that because this products materials are selected based uponย pressure, temperature variations, and contacts with many fluids and surfaces to suit your engine.ย
- Along with emphasizing quality and performance, 4BTdiesel wants you to remain safe. Your Upper Gasket Set is constructed with USA made sealing products using 100% asbestos-free material.
What Rebuild Kit and Gasket Set Includes
| Qty | Component | Part Number |
|---|---|---|
| 1 | Upper Gasket Set | 4025274 |
| 2 | O-Ring Seals | 145530 |
| 6 | Rocker Cover Bolt Seals | 3910824, 3901837 |
| 1 | Gasket | 3911941, 3906846, CUM3911941 |
| 1 | Gasket | 3914310, 3902113, 3909922, 3910505, CUM3914310 |
| 12 | Lock Plates, 3914708, | |
| 1 | Connection Gasket | 3917892 |
| 1 | Gasket | 3918779 |
| 1 | Intake Manifold Gasket | 3921440 |
| 6 | Exhaust Manifold Gaskets | 3932063, 3929012, 3911942, 3921787 |
| 1 | Cylinder Head Gauge | 3823921 |
| 1 | Intake Manifold Gasket | 3936993, 3910779, 3904300, 3914311, CUM3914311 |
| 1 | Turbo Oil Drain Gasket | 3937706, 3285747, 3282113, 5264569, 3931350, 3928919, CUM3937706, 3914388, 3819378, 3942725 |
| 1 | Cylinder Head Gasket | 3938267, 3911342, 3931019, 3921850, 3907682, 3921216, 3928168, CUM3938267 |
| 12 | Valve Stem Seals | 3930057 |
| 2 | Sealing Washers | 3902425, CUM3902425 |
| 4 | Sealing Washers | 3963983, 3283280, 3918191, 3935171, 3903037 |
| 2 | Sealing Washers, 3963988, 3935172. 3937155 | |
| 1 | Rocker Cover Fill Cap Seal | 3902466, CUM3902466 |
| 1 | O-Ring Seal | 3903546 |
| 1 | Rocker Lever Cover Seal | 3905449, CUM3905449 |
| 1 | Rectangular Ring Seal | 3906695 |
| 1 | Pressure Regulator Seal | 3909397, 3069694 |
Warranty
6-month warranty.
Specifications
| Brand | 4BTdiesel |
|---|---|
| Compatible Brand | For CUMMINS |
| Compatible Engine Brand | For CUMMINS |
| Replacement Part Number | M-4025274, M4025274 |
| Condition | New |
Shipping Spec
| Weight | 2.722 kg |
|---|---|
| Dimensions | 91.4 × 25.4 × 3.8 cm |
โ Replace Part Number: 4025274, M-4025274
โ Fit for: Cummins 6C 8.3L engines
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.
