HomeIgnition > Ignition CoilWalker 900-P2058-4 Coil Boot Kit
Part #: 900-P2058-4

Walker 900-P2058-4 Coil Boot Kit

ThunderCore-Ultra
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$61.62Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
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*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
ThunderCore-Ultra
Fitment: Mercedes-Benz, C250 and C230
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker ThunderCore-Ultra Coil Boot Kit

The Walker ThunderCore-Ultra Coil Boot Kit 900-P2058-4 is designed specifically for Mercedes-Benz C230 and C250 models. This ignition coil boot kit ensures reliable electrical connection and optimal ignition performance for your vehicle.

  • Compatible with Mercedes-Benz C230 and C250 models
  • Part number 900-P2058-4 for precise identification
  • Includes coil boots engineered for secure spark plug connection
  • Part of the Walker ThunderCore-Ultra product line
  • Designed to maintain ignition system integrity and performance

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition components that provide consistent electrical conductivity and durability. This product line is tailored to meet the specific ignition requirements of various vehicle makes and models, including Mercedes-Benz. The coil boot kit 900-P2058-4 benefits from this focus by offering a reliable connection between the ignition coil and spark plugs, helping to maintain engine efficiency and reduce misfires.

Product Details and Functionality

The Walker ThunderCore-Ultra Coil Boot Kit 900-P2058-4 is engineered to replace worn or damaged coil boots on Mercedes-Benz C230 and C250 vehicles. Coil boots serve as the insulating connector between the ignition coil and spark plug, ensuring that high voltage is properly transferred to ignite the air-fuel mixture. This kit helps maintain proper ignition timing and engine performance by preventing voltage leaks and electrical shorts.

Common Issues Addressed by This Coil Boot Kit

  • Engine misfires caused by faulty coil boot connections
  • Reduced engine power due to poor spark plug ignition
  • Rough idling or hesitation during acceleration
  • Electrical arcing or shorts in the ignition system
  • Increased emissions from incomplete combustion

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Disconnect the battery to prevent electrical shock
  • Carefully remove old coil boots without damaging ignition coils
  • Apply dielectric grease to new boots for improved conductivity and protection
  • Verify secure fitment on both ignition coil and spark plug

Quality Assurance and Warranty

Walker maintains strict quality control standards for the ThunderCore-Ultra line, including the 900-P2058-4 coil boot kit. While specific warranty details are not provided, Walker products typically meet or exceed OEM specifications to ensure durability and reliable performance in Mercedes-Benz C230 and C250 vehicles.

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mercedes-BenzC2501.8LL4N/AThunderCore-Ultra
2012Mercedes-BenzC2501.8LL4N/AThunderCore-Ultra
2005Mercedes-BenzC2301.8LL4N/AThunderCore-Ultra
2004Mercedes-BenzC2301.8LL4N/AThunderCore-Ultra
2003Mercedes-BenzC2301.8LL4N/AThunderCore-Ultra

* 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:

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