Dorman® 904-194 - Diesel Glow Plug Relay

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Replaces Original (OE) Part #:1826634C94, 1831646C1, F81Z-12B533-AC
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Product Details

Dorman Auto Repair Parts

Diesel Glow Plug Relay by Dorman®. Diesel Glow Plug Relays regulate the current going to the vehicle's glow plugs. Replacement is constructed of quality materials and tested to meet product standards and quality.


Heatsink Protected: No
Mounting Type: Bolt
Amperage: 100 A
Height: 2.400"
Width: 2.8"
Length: 2.800"
Cover Material: Plastic
Terminal Gender: Male, Female
Terminal Quantity: 4
Terminal Type: Blade, Screw


  • Direct replacement for a proper fit every time
  • Housing is constructed of aluminum material
  • Plug-and-Play for easy installation
  • This part has undergone Vehicle Try-on testing to meet product standards

When you want to get OEM quality without the high dealer price, Dorman is the right choice for you. Today you can fix your vehicle properly and have money left in your pocket with a Dorman product. It will look, function, and fit just like the part from the dealer, so your vehicle will operate as it should or even better. The Dorman product is designed using state-of-the-art technologies to exactly replicate the OEM unit, then it is manufactured with modern tooling so that the end product looks and fits exactly as designed. The unit is made to the same dimensions as the OEM part with the same gauge material. Dorman is confident in the quality of their products, which is why the company covers them with a limited lifetime warranty against any defects in materials and workmanship. Easily restore the appearance and function of your vehicle with Dorman products.

Dorman Products Inc. is well-known as a leader in providing quality auto parts to the aftermarket. They have earned their reputation for excellence from over three decades of experience in providing automotive replacement parts, fasteners and service line products primarily for the automotive aftermarket. Their prestigious position stems from a unique combination of application expertise, innovative product design, and breadth of product offerings, many of which are not conveniently or economically available elsewhere.

Part Number:
OE Numbers:
1826634C94, 1831646C1, F81Z-12B533-AC

Warranty Information

  • Hybrid battery – fleet: 12 months from the date of purchase.
  • Hybrid battery – non-fleet: 36 months from the date of purchase.
  • All other products: lifetime.

Dorman Products warrants that the product is free from defects in material and workmanship under normal use and service for the period stated above. Dorman will replace any of its products that in Dorman's reasonable determination does not comply with the foregoing warranty. This warranty becomes null and void if the damage is caused by: misuse, abuse or accident; the attachment of any unauthorized accessory; alteration to the product; improper installation; exposure to harsh weather and/or chemicals; or lack of proper maintenance. This warranty also becomes null and void if the product is opened or any sticker is tampered with, broken, or missing, or if the damage is caused by any other condition that is beyond the control of Dorman Products.

In all cases, Dorman shall not be responsible for any type of incidental, consequential, or special damages. All other warranties, including the implied warranties of fitness for a particular purpose and the implied warranty of merchantability, are excluded.

By accepting this product, you hereby waive and release any claim now or hereafter existing against Dorman Products, its employees, officers, directors, agents and customers, on account of any and all claims, demands, suits, causes of action and all legal proceedings, whether civil or criminal, damages, losses, liabilities, (including, but not limited to, strict liability in tort), obligations, penalties, judgments or fines and other sanctions.

Federal and/or state laws may provide you with other warranties for this product. Some states do not allow the exclusion or limitation of incidental or consequential damages.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Ford E-series
2003 Ford E-350 Club Wagon / E-450 Super Duty / E-550 Super Duty
  • 7.3L
1999 Ford Econoline Super Duty
  • 7.3L
1998 Ford Econoline Super Duty
  • 7.3L
1997 Ford Econoline Super Duty
  • 7.3L
1996 Ford Econoline Super Duty
  • 7.3L
Ford Excursion
2003 Ford Excursion
  • 7.3L
2002 Ford Excursion
  • 7.3L
2001 Ford Excursion
  • 7.3L
2000 Ford Excursion
  • 7.3L
Ford F-250
2003 Ford F-250 Super Duty
  • 7.3L
2002 Ford F-250 Super Duty
  • 7.3L
2001 Ford F-250 Super Duty
  • 7.3L
2000 Ford F-250 Super Duty
  • 7.3L
1999 Ford F-250 Super Duty
  • 7.3L
1997 Ford F-250 HD
  • 7.3L
1996 Ford F-250
  • 7.3L
1995 Ford F-250
  • 7.3L
Ford F-350
2003 Ford F-350 Super Duty
  • 7.3L
2002 Ford F-350 Super Duty
  • 7.3L
2001 Ford F-350 Super Duty
  • 7.3L
2000 Ford F-350 Super Duty
  • 7.3L
1999 Ford F-350 Super Duty
  • 7.3L
1997 Ford F-350
  • 7.3L
1996 Ford F-350
  • 7.3L
1995 Ford F-350
  • 7.3L
Ford F-450
2003 Ford F-450
  • 7.3L
2002 Ford F-450
  • 7.3L
2001 Ford F-450
  • 7.3L
2000 Ford F-450
  • 7.3L
1999 Ford F-450
  • 7.3L
1997 Ford F-450
  • 7.3L
1996 Ford F-450
  • 7.3L
1995 Ford F-450
  • 7.3L
Ford F-550
2003 Ford F-550
  • 7.3L
2002 Ford F-550
  • 7.3L
2001 Ford F-550
  • 7.3L
2000 Ford F-550
  • 7.3L
1999 Ford F-550
  • 7.3L
Ford F-59
1997 Ford F-59
1996 Ford F-59
1995 Ford F-59
Ford F-650
2003 Ford F-650
  • 7.3L
2002 Ford F-650
  • 7.3L
2001 Ford F-650
  • 7.3L
2000 Ford F-650
  • 7.3L
Ford F-750
2003 Ford F-750
  • 7.3L
2002 Ford F-750
  • 7.3L
2001 Ford F-750
  • 7.3L
2000 Ford F-750
  • 7.3L

All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only.
It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.