Walker
ThunderSpark

Walker 925-1010 Distributor Cap

Brand Walker 925-1010
Product line ThunderSpark
Fits Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac · 50 vehicles

Distributor cap. Direct replacement for dependable ignition system service.

ThunderSpark line. Walker's performance-focused ignition hardware family.

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Walker ThunderSpark Distributor Cap 925-1010

Walker ThunderSpark distributor cap 925-1010 is a direct-fit ignition hardware replacement for select GM vehicles from 1985-1993. It is built for applications that need a reliable distributor cap service part for consistent spark routing and ignition performance.

Key Features

  • Walker ThunderSpark line distributor cap for ignition service
  • Part number 925-1010 for accurate ordering and application matching
  • Compatible with select Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac models
  • Fits 1985-1993 applications listed below, including Chevrolet S10 and GMC Sonoma
  • Designed for distributor cap replacement in ignition hardware maintenance

Detailed Description

Walker ThunderSpark 925-1010 is a distributor cap for ignition systems used on a range of GM cars and light trucks. This part number is listed for 1991-1993 Chevrolet S10 and GMC Sonoma, plus earlier applications such as Chevrolet Astro, GMC Safari, Chevrolet Cavalier, Chevrolet Celebrity, Buick Century, Buick Skyhawk, Buick Skylark, Cadillac Cimarron, Chevrolet Camaro, Oldsmobile Calais, Oldsmobile Cutlass Ciera, Oldsmobile Firenza, Pontiac 6000, Pontiac Fiero, Pontiac Firebird, Pontiac Grand Am, Pontiac Sunbird, and Chevrolet Citation II. If you are replacing a worn distributor cap on a Chevrolet S10 or GMC Sonoma, 925-1010 provides a fitment-specific option for the ThunderSpark application list.

This part cross-references no additional part numbers in the provided data.

What It Helps Solve

  • Cracked or aged distributor cap housing
  • Misfires caused by worn cap terminals
  • Hard starting related to ignition cap wear
  • Intermittent spark distribution issues
  • Routine ignition maintenance on GM vehicles

Installation Notes and Tips

Verify distributor style and vehicle application before installation. Inspect the rotor, cap terminals, and ignition wires at the same time to avoid repeat service. Confirm the part number 925-1010 against the vehicle’s year, make, and model before ordering, especially on Chevrolet S10 and GMC Sonoma applications.

Quality Assurance

Walker ThunderSpark is the product line identified for this distributor cap, and the listed fitment data should be matched carefully to the vehicle application for proper service selection.

This part fits 50 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1993ChevroletS102.5LL4N/AThunderSpark
1993GMCSonoma2.5LL4N/AThunderSpark
1992ChevroletS102.5LL4N/AThunderSpark
1992GMCSonoma2.5LL4N/AThunderSpark
1991ChevroletS102.5LL4N/AThunderSpark
1991GMCSonoma2.5LL4N/AThunderSpark
1990ChevroletAstro2.5LL4N/AThunderSpark
1990GMCSafari2.5LL4N/AThunderSpark
1989ChevroletAstro2.5LL4N/AThunderSpark
1989GMCSafari2.5LL4N/AThunderSpark
1988ChevroletAstro2.5LL4N/AThunderSpark
1988GMCSafari2.5LL4N/AThunderSpark
1987ChevroletAstro2.5LL4N/AThunderSpark
1987ChevroletCavalier2.8LV6N/AThunderSpark
1987ChevroletCelebrity2.5LL4N/AThunderSpark
1987GMCSafari2.5LL4N/AThunderSpark
1986BuickCentury2.5LL4N/AThunderSpark
1986BuickSkyhawk2.0LL4N/AThunderSpark
1986BuickSkylark2.5LL4N/AThunderSpark
1986CadillacCimarron2.0LL4N/AThunderSpark
1986ChevroletAstro2.5LL4N/AThunderSpark
1986ChevroletCamaro2.5LL4N/AThunderSpark
1986ChevroletCavalier2.0LL4N/AThunderSpark
1986ChevroletCelebrity2.5LL4N/AThunderSpark
1986GMCSafari2.5LL4N/AThunderSpark
1986OldsmobileCalais2.5LL4N/AThunderSpark
1986OldsmobileCutlass Ciera2.5LL4N/AThunderSpark
1986OldsmobileFirenza2.0LL4N/AThunderSpark
1986Pontiac60002.5LL4N/AThunderSpark
1986PontiacFiero2.5LL4N/AThunderSpark
1986PontiacFirebird2.5LL4N/AThunderSpark
1986PontiacGrand Am2.5LL4N/AThunderSpark
1986PontiacSunbird2.0LL4N/AThunderSpark
1985BuickCentury2.5LL4N/AThunderSpark
1985BuickSkyhawk2.0LL4N/AThunderSpark
1985BuickSkylark2.5LL4N/AThunderSpark
1985CadillacCimarron2.0LL4N/AThunderSpark
1985ChevroletAstro2.5LL4N/AThunderSpark
1985ChevroletCamaro2.5LL4N/AThunderSpark
1985ChevroletCavalier2.0LL4N/AThunderSpark
1985ChevroletCelebrity2.5LL4N/AThunderSpark
1985ChevroletCitation II2.5LL4N/AThunderSpark
1985GMCSafari2.5LL4N/AThunderSpark
1985OldsmobileCalais2.5LL4N/AThunderSpark
1985OldsmobileCutlass Ciera2.5LL4N/AThunderSpark
1985OldsmobileFirenza2.0LL4N/AThunderSpark
1985Pontiac60002.5LL4N/AThunderSpark
1985PontiacFiero2.5LL4N/AThunderSpark
1985PontiacFirebird2.5LL4N/AThunderSpark
1985PontiacGrand Am2.5LL4N/AThunderSpark