HomeIgnition > Ignition CoilKarlyn 5151 Ignition Coil Set
Part #: 5151

Karlyn 5151 Ignition Coil Set

Karlyn-STI
⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$59.60Free 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
📦Karlyn-STI
🚗Fitment: Jeep, Cherokee, Grand Cherokee, TJ, and Wrangler
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Karlyn-STI Ignition Coil Set for Jeep

The Karlyn-STI 5151 ignition coil set is an OE-style replacement for select Jeep ignition systems. It is built for direct-fit service on 2000-2006 Jeep TJ and Wrangler, plus 2000-2004 Jeep Grand Cherokee and 2000-2001 Jeep Cherokee applications.

Key Features

  • Ignition coil set for OEM replacement service
  • Compatible with select Jeep TJ, Wrangler, Grand Cherokee, and Cherokee applications
  • Karlyn-STI product line for ignition system repair
  • Part number 5151 for accurate catalog matching
  • Direct replacement format for factory-style coil service

Detailed Description

Karlyn 5151 is an ignition coil set in the Karlyn-STI line, made for Jeep vehicles that use an OEM-style coil replacement. It serves as a direct replacement option for 2000-2006 Jeep TJ and Jeep Wrangler, 2000-2004 Jeep Grand Cherokee, and 2000-2001 Jeep Cherokee. If you are searching for a Jeep Wrangler ignition coil set, Jeep TJ ignition coil replacement, or a Jeep Grand Cherokee OEM coil replacement, this part number 5151 matches those applications.

The Karlyn-STI line focuses on replacement components for factory-style service, and this ignition coil set follows that approach for common Jeep ignition repair needs. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

  • Engine misfire caused by a failing ignition coil
  • Hard starting related to weak spark output
  • Rough idle from inconsistent ignition performance
  • Loss of power under load from degraded coil operation
  • Check engine light conditions tied to ignition coil faults

Installation Notes and Tips

Verify the vehicle year, model, and ignition configuration before ordering. Confirm the original coil style matches the OEM replacement application for your Jeep TJ, Wrangler, Grand Cherokee, or Cherokee. Compare the connector and mounting layout on the removed part to part number 5151 before installation.

Quality Assurance

Karlyn-STI is the listed product line for this ignition coil set, and the part is cataloged as an OEM replacement for the specified Jeep applications. Use the confirmed fitment data to match the correct vehicle before service.

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2006JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2005JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2005JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2004JeepGrand Cherokee4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2004JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2004JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2003JeepGrand Cherokee4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2003JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2003JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2002JeepGrand Cherokee4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2002JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2002JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2001JeepCherokeeN/AOEM Replacement; Karlyn-STI Ignition Coil Cassette
2001JeepGrand Cherokee4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2001JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2001JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2000JeepCherokee4.0LL6N/AOEM Replacement; Karlyn-STI Ignition Coil Cassette
2000JeepGrand Cherokee4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2000JeepTJ4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI
2000JeepWrangler4.0LL6N/ACompatible with OEM coil replacements.; Karlyn-STI

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