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CUMMINS

CUMMINS 3284623 OEM TAPPET / PUSH ROD COVER GASKET – 5.9L (1989–2002)

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SKU:
CUM3284623
MPN:
3284623
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  • CUMMINS 3284623 OEM TAPPET / PUSH ROD COVER GASKET – 5.9L (1989–2002)
  • CUMMINS 3284623 OEM TAPPET / PUSH ROD COVER GASKET – 5.9L (1989–2002)
  • CUMMINS 3284623 OEM TAPPET / PUSH ROD COVER GASKET – 5.9L (1989–2002)
$42.19
724-785-4022

Description

Cummins 3284623 — Genuine Tappet / Push Rod Cover Gasket for 5.9L

MPN: 3284623  |  Also Known As: tappet cover gasket, push rod cover gasket, side cover gasket  |  Cross-Refs (ID only): 3900545, 3904776, 3907617, 3928832

Genuine Cummins molded gasket that seals the tappet (push rod) cover to the cylinder block on pre–common-rail 5.9L engines. Ideal for leak repairs or top-end refresh. Install with clean, dry, flat mating surfaces for best results.

Features & Benefits

  • OE sealing profile to stop oil seepage at the tappet/push rod cover.
  • Direct-fit for 5.9L 12V & 24V VP44 engines (1989–2002 automotive).
  • Durable elastomer construction for heat and oil resistance.
  • Prevents mess & contamination around the block side cover area.
  • Backed by Cummins quality for fit, function, and service life.

Verified Fitment (Automotive)

Year RangeEngineChassis
1989–1993 5.9L 12V (6BT) Ram 2500/3500
1994–1998 5.9L 12V (6BT) Ram 2500/3500
1998.5–2002 5.9L 24V ISB (VP44) Ram 2500/3500

Industrial/Off-Highway: Common on BS3-era B-Series (ISB/QSB/6B5.9). Verify by ESN before ordering.

Compatibility Notes:

  • Automotive coverage targets 1989–2002 5.9L non-common-rail. 2003+ common-rail uses a different cover/gasket set.
  • When servicing leaks, inspect the metal tappet cover for warpage and replace grommets/bolts as needed.

Specifications

  • Type: Tappet / push rod cover perimeter gasket
  • OE Part Number: 3284623
  • Cross-References (ID): 3900545, 3904776, 3907617, 3928832
  • Quantity Required: 1 per engine (sold individually)

Often Paired With

  • Tappet cover (’89–’98): Cummins 3990732
  • Grommet: 3900267 (’89–’98 bolt grommet) · 3928759 (’98.5–’02 grommet)
  • Bolt kit: XDP XD620 (for OEM cover)
  • Valve cover gasket / upper engine set (when resealing the top end)

What’s In The Box

  • (1) Genuine Cummins Tappet / Push Rod Cover Gasket (3284623)
  • Hardware/grommets sold separately (see “Often Paired With”).

Installation Tips

  • Clean both mating surfaces; remove old sealant and debris. Check cover flatness.
  • Install gasket dry unless your service manual specifies sealant at corners.
  • Tighten fasteners evenly in a crisscross pattern to factory torque.
  • After warm-up, recheck for seepage and retorque if required per OE procedure.

FAQ

WILL THIS FIT MY 1989–2002 5.9L CUMMINS RAM?

Yes—3284623 is specified for 1989–2002 5.9L (12V & 24V VP44) Ram 2500/3500. Confirm by VIN/ESN.

IS THIS THE SAME AS A “PUSH ROD COVER” OR “SIDE COVER” GASKET?

Yes—tappet cover, push rod cover, and side cover refer to the same housing on the B-Series block.

DOES IT INCLUDE GROMMETS OR BOLTS?

No—order grommets/bolts separately (common: 3900267 for ’89–’98, 3928759 for ’98.5–’02) or an aftermarket bolt kit.

SHOULD I USE RTV OR SEALANT?

Install dry on clean surfaces unless your Cummins procedure calls for a small dab at specific corners.

WILL THIS FIT 2003+ 5.9L OR 6.7L?

No—common-rail engines use different cover/gasket designs. Check by VIN/ESN for 2003+ applications.

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Additional Information

YEAR:
1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002
MAKE:
DODGE
ENGINE:
5.9L
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