Description
Product Overview
The KITONLA Glow Plug Module Controller (model KT-AJ157) is a precision‑engineered component designed for 1987‑1994 Ford 7.3L International IDI diesel engines. Constructed from brushed metal, the unit resists corrosion and high‑temperature exposure, ensuring reliable operation in demanding environments. Weighing just 1.17 lb and measuring 5.59 × 3.78 × 3.23 in, it fits seamlessly into the original mounting location, matching OEM specifications and replacing part numbers such as FOTZ‑12B533‑A and DY1128.
Usage
This controller is ideal for fleet owners, mechanics, and DIY enthusiasts who need a dependable replacement for glow plug relays in Ford F‑Series trucks and commercial vans. Install it in any 1987‑1994 Ford F250, F350, E250, or E350 equipped with the 7.3L IDI engine. The module operates under extreme temperatures, making it perfect for cold‑weather starts, heavy‑duty towing, and off‑road applications. 
Why Choose Us
KITONLA combines rigorous testing with premium materials to deliver a product that exceeds OEM durability standards. Our 24‑hour customer service ensures you receive technical support whenever needed. Each unit undergoes a full functional test before shipping, guaranteeing plug‑in readiness and minimizing downtime for your vehicle.
Key Features
- Brushed metal housing for superior heat resistance and corrosion protection
- Direct fit for 1987‑1994 Ford 7.3L IDI diesel engines
- Replaces multiple OEM part numbers, simplifying inventory
- Compact dimensions and lightweight design for easy installation
- 24‑hour after‑sales support and comprehensive warranty
FAQ
Is this controller compatible with my 1992 Ford F‑250?
Yes, the KT‑AJ157 is designed for all 1987‑1994 Ford models equipped with the 7.3L IDI diesel engine, including the 1992 F‑250.
What OEM part numbers does this replace?
It replaces part numbers such as FOTZ‑12B533‑A, DY1128, DY1023, and several others listed in the product details.
Can I install it myself?
Installation is straightforward with basic hand tools. Follow the included wiring diagram, disconnect the battery, and mount the unit in the original relay location.
Does the brushed finish affect electrical performance?
No, the brushed finish is purely for corrosion resistance; the internal contacts are plated to ensure optimal conductivity.
What warranty does KITONLA provide?
We offer a one‑year limited warranty covering defects in materials and workmanship, plus lifetime technical support.




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