HomeIgnition > Hardware, Fasteners and FittingsStandard Ignition JH-138 Distributor Cap
Part #: JH-138

Standard Ignition JH-138 Distributor Cap

6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$25.93Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, Pontiac, and Suzuki, Sprint, Firefly, and Forsa
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Distributor Cap for Chevrolet, Pontiac, and Suzuki Vehicles

The Standard Ignition JH-138 distributor cap is designed to provide dependable ignition performance for select Chevrolet, Pontiac, and Suzuki models. Engineered with a clip-on attachment style, this black distributor cap ensures secure installation and consistent electrical contact.

  • Clip-on cap attachment method for easy installation
  • Female coil terminal and male spark plug terminals
  • Aluminum contact terminal material for reliable conductivity
  • Four spark plug terminals positioned on top towers
  • Includes installation instructions for guidance

Durable Design and Precise Fitment

The Standard Ignition JH-138 distributor cap features a clip attachment method that simplifies replacement on compatible vehicles. Its black finish and aluminum contact terminals are built to withstand typical engine bay conditions while maintaining optimal electrical connections. This distributor cap is designed without a vent and does not include gaskets, screws, ignition rotor, or spark plug wires, focusing solely on the essential distributor cap function. The four male spark plug terminals and female coil terminal ensure proper connectivity for ignition systems in Chevrolet Firefly, Pontiac Forsa, and Suzuki Sprint models.

Compatible Vehicles and Applications

This distributor cap is compatible with the following makes and models:

  • Chevrolet Firefly
  • Pontiac Forsa
  • Suzuki Sprint

It is intended for use in ignition systems requiring a clip-on distributor cap with four spark plug terminals and a female coil terminal. The JH-138 part number corresponds specifically to these applications, ensuring proper fit and function.

Common Issues Addressed by the Distributor Cap

  • Intermittent engine misfires due to worn or damaged distributor caps
  • Difficulty starting the engine caused by poor electrical contact
  • Engine stalling related to distributor cap corrosion or cracks
  • Uneven engine performance from faulty spark distribution
  • Ignition system failures requiring replacement of distributor hardware

Installation Notes and Tips

  • Ensure the ignition is off and the battery is disconnected before installation
  • Use the included instructions to verify correct terminal connections
  • Inspect the rotor and spark plug wires for wear during replacement
  • Do not overtighten clips to avoid damaging the cap
  • Confirm the distributor cap is securely clipped in place to prevent movement

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The JH-138 distributor cap undergoes quality control testing to ensure reliable ignition performance. Installation instructions are included to assist with proper setup. Warranty coverage details should be confirmed with the product documentation or manufacturer.

BrandStandard Ignition
Part NumberJH-138
Attachment MethodClip
Cap Attachment StyleClip-on
Coil Terminal GenderFemale
Contact Terminal MaterialAluminum
Distributor Cap ColorBlack
Distributor VentNo
Gaskets IncludedNo
Ignition Rotor IncludedNo
Instructions IncludedYes
Screws includedNo
Spark Plug Terminal GenderMale
Spark Plug Wires IncludedNo
Tower PositionTop

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1988ChevroletSprint1.0LL3N/A
1988PontiacFirefly1.0LL3N/A
1988SuzukiForsa1.0LL3N/AMitsubishi; w/ Canada Emissions
1987ChevroletSprint1.0LL3N/A
1987PontiacFirefly1.0LL3N/A
1987SuzukiForsa1.0LL3N/AMitsubishi; w/ Canada Emissions

* 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:

0329512353024174-69203-36033-8825333218624051-15995D1068C678CAC1465CAPB10574EP779W3051

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