1994-2003 7.3L Powerstroke Diesel Glow Plug Relay Genuine OEM Motorcraft DY-861
1994-2003 7.3L Powerstroke Diesel Glow Plug Relay Genuine OEM Motorcraft DY-861 is backordered and will ship as soon as it is back in stock.
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Product Care information
Product Care information
At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.
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Delivery and Shipping
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1994-2003 7.3L Powerstroke Diesel Glow Plug Relay Genuine OEM Motor...
Description
Description
Restore proper cold-start performance with this OEM Ford Motorcraft glow plug relay, designed to control power delivery to your glow plugs on 1994–2003 7.3L Powerstroke engines. Faulty or weak relays can cause hard starts, smoke, and excessive battery draw — don’t risk it with cheap aftermarket options.
This is a genuine Motorcraft relay, engineered to meet Ford's strict standards for durability, electrical performance, and long-term reliability. It’s the same part trusted by Ford dealerships and professional diesel shops.
Why Choose This Relay?
- Direct-fit OEM replacement – no cutting or splicing required
- Rigorously tested for performance under extreme diesel conditions
- Durable construction resists vibration, heat, and corrosion
- Designed to properly energize glow plugs during preheat and cold starts
Vehicle Fitment:
1994–2003 Ford F-250 / F-350 / F-450 / F-550 7.3L Powerstroke Diesel
1994–2003 Ford Excursion 7.3L Powerstroke
1994–2003 Ford E-Series Vans 7.3L Powerstroke
OEM / Cross Reference Part Numbers:
Ford Part #: F81Z-12B533-AC
Motorcraft #: DY-861
Replaces: F5TZ-12B533-A, F7TZ-12B533-AA, F7TZ-12B533-AB, F7TZ-12B533-C, F81Z-12B533-AA
Aftermarket Interchange: 1R1878, 600016, 904194, 522009, RY525
UPC: 031508336360
What You Get: (1) Genuine Motorcraft Glow Plug Relay (sealed in OEM packaging)
Installation Tip:
- Typically mounted on driver-side valve cover or fenderwell
- Easy plug-and-play installation with factory connectors
- Consider replacing with glow plugs for full cold-start refresh
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