HomeIgnition > Ignition CoilTechPro 50TO121P4 Ignition Coil Kit
Part #: 50TO121P4

TechPro 50TO121P4 Ignition Coil Kit

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$92.53Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
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✅ 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: Toyota, 4Runner and Tacoma
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Coil Kit for Toyota 4Runner and Tacoma

The TechPro 50TO121P4 ignition coil kit is designed specifically for Toyota 4Runner and Tacoma models. This ignition coil kit ensures consistent spark delivery for optimal engine performance and smooth operation.

  • Compatible with Toyota 4Runner and Tacoma vehicles
  • Part number 50TO121P4 for precise identification
  • Designed to provide stable ignition coil function
  • Improves engine combustion efficiency
  • Durable construction for long-lasting use

Product Details and Specifications

The TechPro ignition coil kit 50TO121P4 is engineered to meet the ignition requirements of Toyota 4Runner and Tacoma models. This ignition coil kit replaces worn or faulty coils to restore proper spark generation, which is critical for engine starting and running. The kit is built to maintain consistent voltage output and resist heat and vibration common in engine compartments. By using this ignition coil kit, you help maintain fuel efficiency and reduce misfires caused by ignition issues.

Applications and Common Issues Addressed

  • Restores ignition coil function in Toyota 4Runner and Tacoma
  • Resolves engine misfires and rough idling
  • Improves starting reliability and throttle response
  • Helps reduce engine hesitation during acceleration
  • Addresses check engine light codes related to ignition coil failure

Installation Notes and Tips

When installing the TechPro 50TO121P4 ignition coil kit, ensure the engine is cool and the battery is disconnected to prevent electrical shock. Remove the old ignition coil carefully to avoid damaging connectors or wiring. Verify the part number matches your vehicle’s requirements before installation. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

TechPro ignition coil kits are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, TechPro products typically undergo quality control testing to ensure reliability in Toyota 4Runner and Tacoma applications. For warranty information, refer to the product packaging or contact the manufacturer directly.

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2004ToyotaTacomaN/AKit contains 4
2003ToyotaTacomaN/AKit contains 4
2002ToyotaTacomaN/AKit contains 4
2001ToyotaTacomaN/AKit contains 4
2000Toyota4RunnerN/AKit contains 4

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