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INTERSTATE MCBEE

INTERSTATE-MCBEE M-3900299 VALVE SPRING RETAINER 89–98 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

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SKU:
MCBM-3900299
MPN:
M-3900299
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  • INTERSTATE-MCBEE M-3900299 VALVE SPRING RETAINER 89–98 5.9L CUMMINS (AFTERMARKET REPLACEMENT)
  • INTERSTATE-MCBEE M-3900299 VALVE SPRING RETAINER 89–98 5.9L CUMMINS (AFTERMARKET REPLACEMENT)
$2.67
724-785-4022

Description

Interstate-McBee M-3900299 Valve Spring Retainer – 89–98 5.9L Cummins 12V

OEM-style valve spring retainer for the 1989–1998 Dodge Ram 2500/3500 5.9L Cummins 12-valve (6BT). Built to OE form, fit, and function for reliable valve-train service. Sold individually (order the quantity required for your engine).

  • Direct replacement: Installs in the factory location; OE-equivalent performance.
  • Precision fitment: Matches Cummins reference 3900299 for B-series applications.
  • Service-friendly: Pair with valve spring keepers (M-3900250) and stock valve springs for a complete refresh.
  • Proven aftermarket value: Interstate-McBee quality at a fraction of OEM boxed pricing.

Specifications

Interstate-McBee P/N M-3900299
OEM Reference Cummins 3900299
Cross References PAI 192059 / 192059E; Excel 192059E
Approx. Dimensions 1.342" OD × 0.567" height
Approx. Unit Weight 0.02 lb (retainer)
Sold As Each (1 retainer)
Qty Required Per Engine 12 retainers (one per valve on 12-valve engines)
Engine Family Cummins B-Series (4B/6B); primary on 5.9L 12-valve 6BT
Position Valve spring retainer (valve train)

What’s Included

  • (1) Valve spring retainer M-3900299

Vehicle Fitment

Always verify by engine serial number (ESN) when possible.

  • Dodge Ram 2500/3500 5.9L Cummins (12-valve 6BT)
    • Model Years: 1989–1998
  • Additional Applications: Select Cummins 4B/6B industrial and commercial engines (dimensions match Cummins 3900299; confirm by ESN).

Install Notes

  • Use a proper valve spring compressor; wear eye protection.
  • Inspect valve locks/keepers (replace with M-3900250 if worn); verify installed height and retainer seating.
  • Service one valve at a time to maintain orientation; follow the Cummins service manual.

Warranty

New replacement part with manufacturer warranty coverage. Contact us for specific terms for valve-train components.

Why Buy From CPP Diesel

  • ESN-verified fitment support from diesel specialists.
  • Fast shipping, easy returns, and competitive pricing.
  • Deep inventory of complementary B-series valve-train parts.

FAQ

Will this retainer fit my 1989–1998 5.9L Cummins?
Yes. It’s listed for 1989–1998 Dodge Ram 5.9L Cummins 12-valve applications. Verify by ESN for any edge cases.
How many retainers do I need?
The 5.9L 12-valve uses 12 retainers (one per valve). Retainers are sold individually.
Are the keepers/locks included?
No. Order M-3900250 valve spring keepers separately if your originals are worn or missing.
Does this fit 24-valve (1998.5–2002) engines?
No. This listing is for the 12-valve 5.9L only. 24-valve ISB engines use different valve-train components.
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Additional Information

YEAR:
1989-1998
MAKE:
DODGE
ENGINE:
5.9L
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