Product Description
The CUMMINS 3283339 OEM CYLINDER HEAD GASKET (+.020) is the exact, genuine Cummins oversized head gasket engineered for 1989–1998 5.9L 12-valve engines. This +.020" gasket is designed for engines that have had the block or cylinder head resurfaced, providing proper sealing thickness and maintaining factory compression integrity on your 6BT. When reliability matters, nothing seals a 12-valve Cummins like a true OEM Cummins gasket.
Many aftermarket gaskets fail under heat, pressure, or boost. This genuine Cummins 3283339 oversized head gasket delivers OE-grade combustion sealing, perfect coolant/oil passage alignment, and long-term durability. Whether you are rebuilding a stock workhorse or refreshing a performance build, choosing Cummins OEM ensures maximum sealing life.
Key Features & Benefits
- Genuine Cummins 3283339 oversized (+.020) cylinder head gasket.
- Designed for resurfaced blocks/heads requiring thicker gasket material.
- Restores proper combustion chamber sealing and compression height.
- OE coolant/oil passage alignment for long-term reliability.
- Perfect fit for all 1989–1998 5.9L 12-valve Cummins applications.
Fitment
This genuine Cummins +.020" head gasket fits the following engines:
- 1989–1998 Dodge Ram 2500 5.9L Cummins 12V
- 1989–1998 Dodge Ram 3500 5.9L Cummins 12V
- 5.9L 6BT industrial/ag applications using the 12-valve platform
Thickness: +.020" oversize (for resurfaced engines)
Engine Type: 6BT / 12-valve Cummins
Cross-Reference (Identification Only)
- Cummins: 3283339 (this part)
- Cummins Alternative Oversizes: 3283338 (+.010), 3283340 (+.030)
Cross-reference is for identification only. Always verify block/ head resurfacing depth requirements when selecting oversize gaskets.
Related Genuine Cummins Parts (Working CPP Links)
- CUMMINS 3920706 OEM EXPANSION PLUG – 5.9L/6.7L
- CUMMINS 3946495 OEM HARMONIC BALANCER DOWEL PIN – 5.9L/6.7L
- CUMMINS 3804899 OEM FRONT CRANKSHAFT SEAL – 5.9L/6.7L
- CUMMINS 3937111 FRONT CRANKSHAFT SEAL SERVICE KIT – 5.9L
Specifications for cummins 3283339
| Specification | Detail |
|---|---|
| Brand | Cummins (Genuine OEM) |
| Part Number | 3283339 (+.020) |
| Gasket Type | Oversized Cylinder Head Gasket (+.020") |
| Engine Compatibility | 1989–1998 5.9L Cummins 12-valve (6BT) |
| GTIN | Not published by Cummins |
| UPC | Not published by Cummins |
| Shipping Weight | Approx. 2.0 lbs |
| Shipping Dimensions | 25 in × 8 in × 1 in (approx.) |
| Shipping Method | Standard ground or oversized flat packaging |
| Cross Reference | 3283339, 3283338 (+.010), 3283340 (+.030) |
| E-Codes / Emissions | Not applicable (gasket) |
| Prop 65 | This product may contain materials known to the State of California to cause cancer or reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
FAQ
WHEN SHOULD I USE THE +.020" OVERSIZE CUMMINS 3283339 HEAD GASKET?
Use this gasket if your block or cylinder head has been resurfaced and requires a thicker gasket to restore correct compression height and sealing surface geometry.
IS THIS A GENUINE CUMMINS GASKET OR AFTERMARKET?
This is a genuine Cummins OEM head gasket. CPP Diesel does not use aftermarket substitutes for this part.
WILL THIS FIT ALL 12-VALVE 5.9L ENGINES FROM 1989-1998?
Yes, it fits all 6BT/12V Dodge Ram models from 1989–1998. Industrial engines may vary—verify by ESN if unsure.
WHAT OTHER PARTS SHOULD I REPLACE DURING A HEAD GASKET JOB?
Many owners replace sealing and rotating components such as: 3804899 front crank seal, 3920706 expansion plug, and 3937111 seal service kit.
