- 7.3L Powerstroke Waterproof Harness & Controller Kit for 1998-2003 F250
- EGR Performance Glow Plug Relay Kit for Ford 7.3L Powerstroke
- F81Z-6584-AA Valve Cover Gaskets & Controller for 7.3L Powerstroke
- 1999-2003 Ford F350 7.3L Powerstroke Complete Harness Kit
- OEM-Grade Glow Plug Controller Kit for Ford E350 7.3L Powerstroke
- 7.3L Powerstroke Waterproof Harness & Controller Kit for 1998-2003 F250
- EGR Performance Glow Plug Relay Kit for Ford 7.3L Powerstroke
- F81Z-6584-AA Valve Cover Gaskets & Controller for 7.3L Powerstroke
- 1999-2003 Ford F350 7.3L Powerstroke Complete Harness Kit
- OEM-Grade Glow Plug Controller Kit for Ford E350 7.3L Powerstroke

Injector Glow Plug Harnesses & Valve Cover Gaskets & Relay Solenoid & Controller For 7.3L Powerstroke Ford F250 F350 (1998-2003)

$195.79
Shipping calculated at checkout.
100 in stock, ready to ship
🛒 Bulk Discount: Save 6% on 2+ Items
🎁 Special Offer: Enjoy 10% Off on 3+ Items
📞 Large Orders (10+): Contact Us for Exclusive Deals
Details
7.3L Powerstroke Glow Plug Harness & Controller Kit – Upgrade your 1998-2003 Ford with the EGR Performance complete combo, featuring a waterproof design and OEM-grade components for seamless replacement.
Make
Model
Year
Engine
Notes
Ford
F250/F350 Super Duty
1998-2003
7.3L Powerstroke Diesel
1998: Built after 1/12/98
E250/E350 Van
1998-2003
1998: Built after 1/12/98
Excursion
2001-2003
Excludes 2000 model



 
Shipping Details

Ontario CA / Springdale OH / Newark NJ
Package List
Delivery Time

2-5 working days inland in the United States

Product details

Product Overview

This 100% brand-new kit is engineered for 1998-2003 Ford models equipped with the 7.3L Powerstroke diesel engine. It integrates injector glow plug harnesses, valve cover gaskets, a glow plug relay solenoid, and a control module – all crafted with high-quality materials and strict quality control. The new version boasts an integrated waterproof harness, matching OEM connectors, terminals, and seals, plus female connectors on the inner harness. Backed by a 1-year warranty, it ensures reliable under-hood performance and long service life.

Ideal For

  • 1998-2003 Ford F250/F350 Super Duty owners with 7.3L Powerstroke
  • Ford E250/E350 van drivers (1998 post 1/12/98, 1999-2003) needing full-system upgrades
  • 2001-2003 Ford Excursion owners with 7.3L Powerstroke diesel
  • Mechanics servicing 7.3L Powerstroke engines with complete OEM-compatible kits
  • Enthusiasts seeking waterproof, durable ignition and sealing components

Specifications

  • Brand: EGR Performance
  • Condition: 100% Brand New (no prior use)
  • Fit Type: OE standard direct replacement
  • Replacement Part Numbers: F81Z-6584-AA, F81Z6584AA, 1379998, F4TZ12A342BA,F81Z-12B533-AC, 615-201
  • Warranty: 1-year manufacturer warranty
  • Installation: Professional installation recommended (no instructions included)

Core Advantages

  • Waterproof Integrated Design: Seamless waterproof injector/glow plug harness to resist under-hood moisture
  • OEM-Grade Quality: Matches OEM connectors, terminals, and seals for perfect fit and performance
  • Complete All-In-One Kit: Includes harnesses, gaskets, relay, controller, and repair hardware – no extra purchases
  • Precision Connectors: Inner harness features female connectors, aligning with OEM specifications
  • Durable Construction: High-quality materials with strict quality control for wear, heat, and oil resistance
  • 1-Year Warranty: Backed by EGR Performance’s quality guarantee for peace of mind

Technical Specifications

  • Harness Features: Integrated waterproof design, female connectors (inner injector/glow plug harness)
  • Build Standard: OE-level fit and performance, strict quality control protocols
  • Kit Components: 2x gaskets, 2x repair pigtails, 20x heat shrink connectors, 8x glow plugs, 1x relay, 1x controller
  • Glow Plug Quantity: 8x (replaces F4TZ12A342BA)
  • Sealing: Valve cover gaskets (left & right, replaces F81Z-6584-AA)

Why Choose This EGR Performance Kit?

For 7.3L Powerstroke owners, faulty ignition or sealing components lead to hard starts and leaks. This kit stands out with:

  • Full-system coverage – replaces harnesses, gaskets, relay, and controller in one package
  • Waterproof design that prevents moisture damage, a common under-hood issue
  • Exact OEM fit for 1998-2003 models, including critical 1998 production date restrictions
  • Included repair hardware (pigtails, connectors) to streamline professional installation
  • Dedicated support via service@egrperformance.com for post-purchase assistance

Complete Package Contents

  • 2 x Valve Cover Gaskets (left & right, replaces F81Z-6584-AA)
  • 2 x Repair Connector Pigtails
  • 20 x Heat Shrink Butt Connectors
  • 8 x Glow Plugs (replaces F4TZ12A342BA)
  • 1 x Glow Plug Relay Solenoid
  • 1 x Glow Plug Control Module
  • 2 x Injector Glow Plug Harnesses (integrated waterproof, female connectors)
  • No installation instructions (professional installation recommended)

Compatibility List

This kit is exclusively compatible with 7.3L Powerstroke diesel engines in the following Ford models:

  • 1998 Ford F250/F350 Super Duty (built after 1/12/98 production date)
  • 1999-2003 Ford F250/F350 Super Duty
  • 1998 Ford E250/E350 Van (built after 1/12/98 production date)
  • 1999-2003 Ford E250/E350 Van
  • 2001-2003 Ford Excursion (excludes 2000 model)

Important Note

Professional installation is recommended. EGR Performance is not liable for vehicle damage or injury from improper installation. For questions, contact service@egrperformance.com. This product includes a 1-year warranty against material and craftsmanship defects. Verify your 1998 vehicle’s production date before purchase.

  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

Q: Will this kit fit my 1998 Ford F350 built in March 1998?

A: Yes! This 7.3L Powerstroke kit fits 1998 F350 models built after 1/12/98, including March 1998 productions.

Q: Does this kit replace part F81Z-6584-AA?

A: Absolutely. The valve cover gaskets directly replace F81Z-6584-AA, along with other listed OEM part numbers for 7.3L Powerstroke engines.

Q: Is the harness truly waterproof?

A: Yes. It features an integrated waterproof injector/glow plug harness, designed to resist moisture and protect critical connections.

Q: Does the kit include a glow plug control module?

A: Yes. It includes 1 x glow plug control module, plus a relay solenoid, gaskets, harnesses, and all repair hardware.

Q: Are installation instructions included?

A: No. Instructions are not included. Professional installation is recommended for this EGR Performance combo kit.

Q: What does the 1-year warranty cover?

A: It covers defects in materials and craftsmanship of all components (harnesses, gaskets, relay, controller, etc.). Contact service@egrperformance.com for claims.

Q: Is this kit compatible with a 2000 Ford Excursion 7.3L Powerstroke?

A: No. It excludes 2000 Excursion models but fits 2001-2003 Ford Excursion with 7.3L Powerstroke.

Q: Do the harnesses have female connectors?

A: Yes. The inner injector/glow plug harness features female connectors, matching OEM specs for 1998-2003 models.

Q: Will this kit fix hard starting on my 7.3L Powerstroke?

A: Likely. It replaces faulty glow plugs, harnesses, relay, and controller – all common causes of hard starts in 7.3L Powerstroke engines.

Q: Are the components OEM-grade?

A: Yes. They’re built with the same high-quality connectors, terminals, and seals as OEM parts, ensuring perfect fit and performance.