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BCBC 3-8MMSRH72SB Engine Timing Set

Brand BCBC 3-8MMSRH72SB
Camshaft Sprocket Material Steel
Keyway Adjustable No
Timing Chain Type Single roller
Grade Type Standard replacement
Sprockets Included Yes
Product line Stock
Fits Chevrolet, GMC, and Oldsmobile · 98 vehicles

Standard replacement. Built for stock-style timing service and engine rebuild work.

Single roller chain. Provides a roller-style timing design matched to the application.

Steel sprockets included. Uses steel camshaft sprocket construction for timing component service.

Cross-references DNJ TK3129, Four Seasons 76228 and N/A for the same application. See all 3.

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Engine Timing Set Overview

This Melling engine timing set is a standard replacement kit for rebuilding the timing system in compatible GM applications. It combines a single roller chain with steel sprockets to deliver the components needed for a proper timing service.

Part number 3-8MMSRH72SB is built for stock-style service and is listed with updated timing cover requirements on the applications shown below. It is a practical choice for Chevrolet and GMC trucks, vans, and SUVs that need timing components matched to the application.

Key Features

  • Standard replacement timing set for engine rebuild and service work
  • Single roller timing chain design
  • Steel camshaft sprocket construction
  • Sprockets included for a complete timing component package
  • Fits stock-style applications listed for Chevrolet, GMC, and Oldsmobile models

Application Details

Fits 1996-2003 Chevrolet Astro, N/A. Fits 1996-2003 Chevrolet Blazer, N/A. Fits 1996-2003 Chevrolet Express 1500, N/A. Fits 1996-2003 Chevrolet Express 2500, N/A. Fits 1996-2003 Chevrolet S10, N/A. Fits 1999-2003 Chevrolet Silverado 1500, N/A. Fits 1996-2003 GMC Jimmy, N/A. Fits 1996-2003 GMC Safari, N/A. Fits 1996-2003 GMC Savana 1500, N/A. Fits 1996-2003 GMC Savana 2500, N/A. Fits 1999-2003 GMC Sierra 1500, N/A. Fits 1996-2003 GMC Sonoma, N/A. Fits 1996-2001 Oldsmobile Bravada, N/A. Fits 1999 Chevrolet P30, N/A. Fits 1999 GMC P3500, N/A.

What It Is Used For

  • Replacing worn timing chain components during engine rebuilds
  • Restoring camshaft and crankshaft timing control
  • Addressing chain stretch, noise, or timing instability
  • Servicing engines that require updated timing cover compatibility

Installation Notes

Verify the updated timing cover requirement before installation. Confirm engine configuration and application notes against the vehicle listing, since the fitment includes a specific GM cover part number requirement. Professional installation is recommended for timing system service.

Quality Assurance

Melling timing chain kits are offered in OEM and performance configurations, with this stock replacement set built around quality materials and application-specific coverage. Part number 3-8MMSRH72SB is part of Melling's timing chain kit lineup for service-level engine rebuild needs.

This part fits 98 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2003ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003ChevroletSilverado 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCSierra 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2003GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002ChevroletSilverado 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCSierra 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2002GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001ChevroletSilverado 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCSierra 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2001OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000ChevroletSilverado 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCSierra 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
2000OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletP304.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999ChevroletSilverado 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCP35004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCSierra 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1999OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1998OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1997OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996ChevroletAstro4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996ChevroletBlazer4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996ChevroletExpress 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996ChevroletExpress 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996ChevroletS104.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996GMCJimmy4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996GMCSafari4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996GMCSavana 15004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996GMCSavana 25004.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996GMCSonoma4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
1996OldsmobileBravada4.3LV6Requires Updated Timing Cover GM Part Number 89017259; Stock
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DNJ — TK3129Four Seasons — 76228N/A