Click to zoom in
Complete Upper End Seal Kit for Your 6.7L Cummins
The Fleece Performance Upper Gasket Set provides all the necessary upper end seals and gaskets for a top-end service on 2007.5–2018 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins. This kit is ideal when performing head work or refreshing the upper end without replacing the head gasket.
Why Choose the Fleece Performance Upper Gasket Set
During top-end services on the 6.7L Cummins, sourcing individual seals and gaskets can be time-consuming. Fleece Performance has assembled this complete upper gasket set using components that meet or exceed OEM specifications, ensuring proper sealing and reliability under high pressure and temperature.
Convenient and Complete
This kit contains all the upper end seals and gaskets needed for head removal and installation (excluding the head gasket itself). It includes the exact quantities required, eliminating the need to source multiple individual parts.
What's Included (Exact Quantities)
- O-Ring Seal (OE Ref: 3977393) — Qty 6
- Injector Seal (OE Ref: 3976371) — Qty 6
- O-Ring Seal - M22 (OE Ref: 3089240) — Qty 1
- O-Ring Seal (OE Ref: 4062328) — Qty 6
- Rocker Lever Housing Gasket (OE Ref: 3963379) — Qty 1
- Lock Plate (OE Ref: 4933628) — Qty 2
- O-Ring Seal (OE Ref: 3678603) — Qty 2
- O-Ring Seal - M18 (OE Ref: 3678786) — Qty 1
- Thermostat Seal (OE Ref: 3954829) — Qty 1
- Connection Gasket (OE Ref: 3949910) — Qty 1
- Connection Gasket (OE Ref: 3958716) — Qty 1
- Connection Gasket (OE Ref: 4940849) — Qty 1
- Connection Gasket (OE Ref: 4943533) — Qty 1
- Connection Gasket (OE Ref: 4933235) — Qty 2
- Turbocharger Gasket (OE Ref: 3977338) — Qty 1
- Sealing Washer - M12 (OE Ref: 3963990) — Qty 11
- Exhaust Manifold Gasket (OE Ref: 3955339) — Qty 6
- Intake Manifold Cover Gasket (OE Ref: 3947530) — Qty 1
- Exhaust Outlet Connection Gasket (OE Ref: 4933225) — Qty 1
- Exhaust Gas Recirculation Valve Gasket (OE Ref: 3979769) — Qty 2
- Oil Drain Gasket (OE Ref: 5264568) — Qty 1
Full Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | FPE-CUMM-0718-UPR-GS-NHG |
| UPC | 732777410279 |
| Brand | Fleece Performance |
| Type | Upper Gasket Set (without Head Gasket) |
| Engine | 6.7L Cummins |
| Vehicle Fitment | 2007.5–2018 Ram 2500 / 3500 |
| Country of Origin | United States |
| Warranty | Fleece Performance Limited Warranty |
Installation Notes
This kit is designed for top-end service and cylinder head work. Professional installation is strongly recommended. Always follow proper torque procedures and head installation guidelines for the 6.7L Cummins. This kit does not include the cylinder head gasket or lower gaskets.
This Part Fits
| Year Range | Make | Model | Engine |
|---|---|---|---|
| 2007.5 to 2018 | Dodge / Ram | 2500 / 3500 | 6.7L Cummins |
Frequently Asked Questions
Does this kit include the head gasket?
No. This is the upper gasket set without the head gasket. It contains all other upper end seals and gaskets needed for top-end service.
Will this fit my 2015 Ram 3500 6.7L Cummins?
Yes. This kit is designed for 2007.5–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins.
When would I use this kit instead of the version with the head gasket?
Use this kit when performing top-end work where the head gasket does not need to be replaced, or when you already have a head gasket from another source.
Is professional installation recommended?
Yes. Proper sealing procedures and torque sequences are critical on the 6.7L Cummins.
Engine
Shop engine parts, oil catch cans, engine cooling upgrades, thermostats, thermostat housings, radiators, coolant accessories, supercharger pulleys, idler pulleys, tensioner pulleys, throttle bodies, engine covers, fuse box covers, cap covers, valve covers, oil system parts, ignition parts, sensors, gaskets, fuel delivery parts, and engine bay dress-up accessories at Black Ops Auto Works. This collection is built for performance vehicles, trucks, SUVs, muscle cars, boosted builds, HEMI platforms, Hellcat builds, Trackhawk SUVs, RAM TRX trucks, LS-powered builds, and high-horsepower street or track applications. Whether you are improving oil control, reducing heat soak, upgrading cooling, supporting higher boost, cleaning up the engine bay, replacing worn engine components, or preparing a street car for harder driving, this collection helps you shop engine parts by brand, category, vehicle platform, and performance goal. Shop Engine Parts by Category Browse engine upgrades and replace...
View Engine Products
Engine Block
This engine block collection covers bearings, gaskets, engine mounts, block off plates, block heaters, PCV valves, sleeves, and engine bay accessories for performance builds, engine refreshes, OEM-style replacement, diesel truck upgrades, HEMI builds, Hellcat and Trackhawk platforms, LS swaps, Honda swaps, Nissan VR38DETT builds, and Toyota truck engines. Main bearings, rod bearings, and connecting rod bearings from ACL Race Series, King Engine Bearings, and Clevite are the most critical internal components for builders refreshing the rotating assembly on street cars, drag builds, or engines being prepared for forced induction. Engine mounts and polyurethane mount upgrades from Innovative Mounts and Kartboy address drivetrain movement in sport compact and high-torque performance applications. Gasket kits from Cometic and MAHLE seal the oil, coolant, and exhaust passages in both stock-displacement and overbore engine combinations.Popular UpgradesBest-selling products include ACL Race...
View Engine Block Products
Fleece Performance
Fleece Performance Engineering has grown from a small Indiana operation into one of the most respected names in high-performance diesel upgrades, with a product catalog built specifically around the Duramax and Cummins common rail diesel platforms that dominate the high-horsepower diesel community. Founded by brothers Brayden and Chase Fleece in a rural west-central Indiana pole barn, the company established itself as a technology leader in common rail injection systems within five years, developing the Cheetah turbocharger line and the TurboBrake electronic exhaust brake that have become standard references for what diesel performance engineering can achieve. Fleece operates from an 18,750-square-foot Brownsburg, Indiana facility capable of in-house design, manufacturing, assembly, and testing, placing them among the high-output diesel specialists who supply race teams and serious street performance builds. This collection covers Fleece Performance's full range of Duramax and Cummi...
View Fleece Performance Products
Gasket Kits
Engine gasket kits are essential for any major engine service, rebuild, or head replacement, providing matched sets of gaskets in a single purchase that ensures all sealing surfaces are renewed simultaneously. A proper gasket kit from a quality manufacturer includes the head gasket, intake manifold gasket, exhaust manifold gasket, valve cover gasket, front cover seal, and all accessory gaskets required for a complete engine teardown and reassembly. Using a quality gasket kit rather than individual gaskets sourced from different suppliers ensures consistent material quality across all sealing surfaces and simplifies the parts sourcing process for engine rebuilds. Whether servicing a blown head gasket, completing a bottom-end rebuild, or refreshing a high-mileage engine, a full gasket kit is the most efficient and reliable way to approach the job. Popular Upgrades Fel-Pro full gasket sets are the most popular choice for domestic engine rebuilds, covering GM LS and LT engines, Ford Mod...
View Gasket Kits Products