HomeIgnition > Distributor and MagnetoWAI DST1878 Distributor
Part #: DST1878

WAI DST1878 Distributor

⚙️ 74 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C2500, C2500 Suburban, C3500, Express 3500, K2500, K2500 Suburban, K3500, P30, P3500, and Savana 3500
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Reliable Distributor for Chevrolet and GMC Heavy-Duty Vehicles

The WAI DST1878 distributor is engineered to provide consistent ignition performance for Chevrolet and GMC heavy-duty trucks and vans. Designed with durable materials and precise specifications, this distributor ensures reliable operation in demanding conditions.

Key Features of the WAI DST1878 Distributor

  • Gear made from melonized steel for enhanced durability
  • Lightweight aluminum housing for corrosion resistance
  • Includes new distributor cap and ignition rotor for complete ignition readiness
  • Hall effect distributor type for accurate ignition timing
  • Distributor cap attaches securely with screws
  • 13 gear teeth designed for precise engagement
  • Compatible with Chevrolet and GMC models including C2500, C3500, K2500, K3500, Express 3500, Savana 3500, and P30 series

Detailed Description of the WAI DST1878 Distributor

The WAI DST1878 distributor features a melonized steel gear that offers increased wear resistance compared to standard steel gears, extending the service life of the part. Its aluminum housing reduces overall weight while providing excellent corrosion protection, which is essential for vehicles operating in various environments. This distributor uses a Hall effect sensor to deliver precise ignition signals, improving engine performance and efficiency. Each unit comes with a new distributor cap and ignition rotor, ensuring all critical ignition components are fresh and ready for installation. The distributor cap is secured with screws, providing a firm and reliable attachment method that minimizes the risk of loosening during operation.

Applications and Common Issues Addressed

  • Restores proper ignition timing and spark distribution in Chevrolet and GMC heavy-duty trucks and vans
  • Resolves misfires caused by worn or damaged distributor components
  • Eliminates rough idling and poor engine performance related to faulty ignition parts
  • Prevents engine stalling due to inconsistent spark delivery
  • Addresses ignition system failures in models such as Chevrolet C2500 Suburban and GMC Savana 3500

Installation Notes and Tips

When installing the WAI DST1878 distributor, ensure the engine is at top dead center (TDC) on the compression stroke for cylinder one to maintain correct timing. The included distributor cap and rotor simplify replacement, but verify the screw attachment method is secure to prevent cap movement. Double-check gear engagement with the camshaft to avoid premature wear. It is recommended to inspect ignition wiring and connectors during installation to ensure optimal electrical connections.

Quality Assurance and Warranty

WAI distributors are manufactured to meet or exceed OEM specifications, providing reliable performance for Chevrolet and GMC heavy-duty vehicles. Each DST1878 unit includes a new cap and rotor to maintain ignition system integrity. While specific warranty details are not provided, WAI products typically come with a limited warranty covering defects in materials and workmanship.

BrandWAI
Part NumberDST1878
10588Yes
Gear MaterialMelonized steel
Housing MaterialAluminum
Ignition Coil IncludedNo
Gear Tooth Quantity13
Distributor Cap IncludedYes
Ignition Rotor IncludedYes
DISTRIBUTOR CAP ATTACHMENT METHODScrew
DISTRIBUTOR TYPEHall effect
SPECSNew cap and rotor with each unit

This part fits 74 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000ChevroletC25007.4LV8N/A
2000ChevroletC35007.4LV8N/A
2000ChevroletExpress 35007.4LV8N/A
2000ChevroletK25007.4LV8N/A
2000ChevroletK35007.4LV8N/A
2000GMCC25007.4LV8N/A
2000GMCC35007.4LV8N/A
2000GMCK25007.4LV8N/A
2000GMCK35007.4LV8N/A
2000GMCSavana 35007.4LV8N/A
1999ChevroletC25007.4LV8N/A
1999ChevroletC2500 Suburban7.4LV8N/A
1999ChevroletC35007.4LV8N/A
1999ChevroletExpress 35007.4LV8N/A
1999ChevroletK25007.4LV8N/A
1999ChevroletK2500 Suburban7.4LV8N/A
1999ChevroletK35007.4LV8N/A
1999ChevroletP307.4LV8N/A
1999GMCC25007.4LV8N/A
1999GMCC2500 Suburban7.4LV8N/A
1999GMCC35007.4LV8N/A
1999GMCK25007.4LV8N/A
1999GMCK2500 Suburban7.4LV8N/A
1999GMCK35007.4LV8N/A
1999GMCP35007.4LV8N/A
1999GMCSavana 35007.4LV8N/A
1998ChevroletC25007.4LV8N/A
1998ChevroletC2500 Suburban7.4LV8N/A
1998ChevroletC35007.4LV8N/A
1998ChevroletExpress 35007.4LV8N/A
1998ChevroletK25007.4LV8N/A
1998ChevroletK2500 Suburban7.4LV8N/A
1998ChevroletK35007.4LV8N/A
1998ChevroletP307.4LV8N/A
1998GMCC25007.4LV8N/A
1998GMCC2500 Suburban7.4LV8N/A
1998GMCC35007.4LV8N/A
1998GMCK25007.4LV8N/A
1998GMCK2500 Suburban7.4LV8N/A
1998GMCK35007.4LV8N/A
1998GMCP35007.4LV8N/A
1998GMCSavana 35007.4LV8N/A
1997ChevroletC25007.4LV8N/A
1997ChevroletC2500 Suburban7.4LV8N/A
1997ChevroletC35007.4LV8N/A
1997ChevroletExpress 35007.4LV8N/A
1997ChevroletK25007.4LV8N/A
1997ChevroletK2500 Suburban7.4LV8N/A
1997ChevroletK35007.4LV8N/A
1997ChevroletP307.4LV8N/A
1997GMCC25007.4LV8N/A
1997GMCC2500 Suburban7.4LV8N/A
1997GMCC35007.4LV8N/A
1997GMCK25007.4LV8N/A
1997GMCK2500 Suburban7.4LV8N/A
1997GMCK35007.4LV8N/A
1997GMCP35007.4LV8N/A
1997GMCSavana 35007.4LV8N/A
1996ChevroletC25007.4LV8N/A
1996ChevroletC2500 Suburban7.4LV8N/A
1996ChevroletC35007.4LV8N/A
1996ChevroletExpress 35007.4LV8N/A
1996ChevroletK25007.4LV8N/A
1996ChevroletK2500 Suburban7.4LV8N/A
1996ChevroletK35007.4LV8N/A
1996ChevroletP307.4LV8N/A
1996GMCC25007.4LV8N/A
1996GMCC2500 Suburban7.4LV8N/A
1996GMCC35007.4LV8N/A
1996GMCK25007.4LV8N/A
1996GMCK2500 Suburban7.4LV8N/A
1996GMCK35007.4LV8N/A
1996GMCP35007.4LV8N/A
1996GMCSavana 35007.4LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1104021110404011040521104059

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.