Description
Product Overview
The iFJF Fuel Filter Heater Element (9J294) is a direct replacement for Ford part F2TZ-9J294-A, designed for the 6.9L and 7.3L IDI diesel fuel filter housing from 1983-1994. This heater element warms diesel fuel during cold starts to prevent fuel gelling and ensure smooth engine operation in winter conditions. Ideal for replacing a failed heater without buying the entire housing assembly.
Key Features
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Heater Element Only: Replace just the failed heater element — no need to purchase the entire housing assembly. Direct plug-and-play replacement for F2TZ-9J294-A.
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Cold-Start Performance: Heats diesel fuel during cold weather starts to prevent wax crystal formation (gelling) and ensure fuel flows freely through the filter.
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IDI Diesel Coverage: Fits all 1983-1994 6.9L and 7.3L IDI naturally aspirated diesel engines — F150 through F350, Super Duty, and Econoline vans.
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Electrical Connector Compatible: Factory-style electrical connector plugs directly into the existing wiring harness — no splicing or modifications needed.
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Corrosion-Resistant Design: Built with corrosion-resistant materials to withstand diesel fuel exposure and under-hood environmental conditions.
Specifications
| Specification |
Detail |
| Part Number |
FJ-FORD04-01 |
| OEM Reference |
F2TZ-9J294-A, E8TZ-9B249-A (Heater Element Only) |
| Engine |
6.9L IDI / 7.3L IDI (Naturally Aspirated) |
| Function |
Diesel Fuel Pre-Heating for Cold Starts |
| Fits |
1983-1994 F150 F250 F350 Super Duty E150 E250 E350 F59 |
| Note |
For naturally aspirated IDI only — not Powerstroke |
| Warranty |
12-Month Warranty |
Why Choose iFJF?
A failed heater element means hard cold starts, rough idle when cold, and potential fuel gelling in freezing temperatures. If your IDI diesel cranks but struggles to fire on cold mornings, the heater element is a likely culprit — especially on trucks 30+ years old. Our replacement restores proper cold-start performance without replacing the entire housing.
Frequently Asked Questions
Q: Will this fit my 1989 F350 7.3L IDI?
A: Yes. Direct replacement for the heater element in all 1983-1994 6.9L and 7.3L IDI fuel filter housings.
Q: How do I know if my heater element is bad?
A: Symptoms: hard cold starts, rough idle when cold, no voltage at the heater connector, or visible corrosion/burn marks on the element.
Q: Can I install this without replacing the housing?
A: Yes. This is the heater element only — it replaces the existing element in your current housing. No need to replace the entire assembly if only the heater has failed.
Q: Does this fit the 7.3L Powerstroke?
A: No. This is for the older IDI (Indirect Injection) diesel only — not the 1994.5+ Powerstroke.
Q: Installation difficulty?
A: Simple replacement. Remove the old element from the housing, install the new one, connect the wiring. Budget 15-30 minutes.
Q: Do I need this for warm climates?
A: Even in warm climates, the heater aids cold-start enrichment. If your truck starts hard when cold regardless of ambient temperature, the heater may still be the issue.
