CUMMINS 3287076 OEM FRONT TIMING GEAR COVER W/ CRANKSHAFT SEAL – 5.9L 12V (1989–1993)

Product Description

CUMMINS 3287076 OEM FRONT TIMING GEAR COVER W/ CRANKSHAFT SEAL – 5.9L 12V (1989–1993) is a genuine Cummins front timing gear cover designed to protect the timing geartrain and keep your first-gen 5.9L 12-valve sealed up tight. This tin (steel) outer cover comes with the front crankshaft seal pre-installed and is a direct-fit replacement for 1989–1993 Dodge Ram D/W 250 & 350 trucks equipped with the 5.9L 6BT. No guesswork, no “will-fit” shortcuts—just the OE cover your engine was built with.

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Why Choose Genuine Cummins 3287076

• OE Cummins gear cover engineered for 5.9L 12V (6BT) timing gear protection and sealing.
• Pre-installed front crankshaft seal helps stop front main oil leaks in a single service.
• Tin construction matches factory thickness and profile for proper accessory and gasket alignment.
• Direct bolt-on replacement for 1989–1993 Dodge Ram 2500/3500 5.9L 12-valve applications.
• Backed by Cummins’ reputation for durability and by CPP Diesel’s first-gen Cummins expertise.

Fitment

• Engine: 5.9L Cummins 12-valve (6BT, VE rotary pump)
• Application: Front timing gear cover with pre-installed crankshaft seal
• Vehicles (verified automotive fit):
  1989–1993 Dodge Ram D/W 250 & 350 – 5.9L Cummins 12-valve

Note: Always verify by VIN/ESN if you suspect prior engine or front cover changes.

Cross-Reference & Related Cummins Timing Components

Pair this front cover with the right Cummins components to complete your timing/front cover service:

• CUMMINS 3914385 OEM TIMING GEAR HOUSING COVER GASKET – 5.9L 12V (1989–1993)
• CUMMINS 3937111 OEM FRONT CRANKSHAFT SEAL SERVICE KIT – 5.9L CUMMINS (1989–2007)
• CUMMINS 3920758 OEM TIMING GEAR CASE HOUSING – 5.9L 12V (1989–1993)
• CUMMINS 3938156 OEM TIMING GEAR HOUSING GASKET – 5.9L 12V/24V (1989–2002)
• CUMMINS 3908032 OEM ENGINE CRANKSHAFT WITH GEAR – RAM 5.9L 12V/24V (1989–2002)

All cross-reference items above are genuine Cummins parts available from CPP Diesel.

What’s Included

• (1) Genuine Cummins front timing gear cover – P/N 3287076 (tin/steel construction)
• (1) Pre-installed front crankshaft seal

Gaskets, hardware, and additional timing components are sold separately.

Recommended With This Cover

• Front cover gasket – Cummins 3914385
• Timing gear housing gasket – Cummins 3938156
• Front crank seal service kit (if you want a spare or upgraded install tools) – Cummins 3937111
• Complete gear housing – Cummins 3920758 if your inner case is damaged or worn.

Install Notes

• Thoroughly clean the block and gear housing mating surfaces before installing the new cover.
• Use a new gasket (3914385) and follow Cummins torque specs and patterns.
• Verify the crankshaft snout is clean and free of grooves; use a wear sleeve or complete seal kit if needed.
• After installation, warm the engine and re-check for oil leaks around the seal and cover perimeter.

FAQ

WILL THIS COVER FIT MY 1989–1993 5.9L 12-VALVE CUMMINS?

Yes. Cummins 3287076 is the correct OE front timing gear cover for most 1989–1993 Dodge Ram D/W 250 & 350 trucks equipped with the 5.9L 12-valve (6BT) engine. Always confirm by VIN/ESN if you suspect prior engine swaps or front cover changes.

DOES THIS PART INCLUDE THE FRONT CRANKSHAFT SEAL?

Yes. This genuine Cummins cover ships with the front crankshaft seal pre-installed in the housing, so you can address a leaking seal and damaged cover in one job.

WHAT GASKET SHOULD I USE WITH THIS COVER?

Use Cummins 3914385 to seal the cover to the gear housing/block. If you remove the inner gear housing, pair it with Cummins 3938156 as well.

IS THIS COVER TIN OR ALUMINUM?

The 3287076 cover is a tin (steel) construction that matches the original OE design used on first-gen Cummins trucks, ensuring correct fit, accessory clearance, and gasket compression.

IS THIS A GENUINE CUMMINS PART OR AFTERMARKET?

This is a genuine Cummins OEM part sourced through CPP Diesel—no generic “will-fit” substitute—so you get factory-spec materials, machining, and sealing performance.

Specifications for cummins 3287076