NGK®Verified to fit 1,680 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 1986 Ford E-350 Econoline | — | L6 4.9L | Gap 0.044inOE Equivalent Design; 15,000 mi OE Mfr Recommended Service Interval-GVWR above 8,500 lbs, 30,000 mi OE Mfr Recommended Service Interval-GVWR Below 8,500 lbs |
| 1986 Ford F-250 | — | L6 4.9L | Gap 0.044inOE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval |
| 1986 Ford F-350 | — | L6 4.9L | Gap 0.044inOE Equivalent Design; 15,000 mi OE Mfr Recommended Service Interval-GVWR above 8,500 lbs, 30,000 mi OE Mfr Recommended Service Interval-GVWR Below 8,500 lbs |
| 1985 Ford Bronco | — | L6 4.9L | Gap 0.044inOE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval |
| 1985 Ford E-250 Econoline | — | L6 4.9L | Gap 0.034inOE Equivalent Design; 30,000 mi OE Mfr Recommended Service Interval |
| 1984 Ford E-150 Econoline | — | L6 4.9L | Gap 0.034inOE Equivalent Design |
| 1984 Ford F-350 | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1983 Ford E-100 Econoline | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1983 Ford E-250 Econoline Club Wagon | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1983 Ford F-350 | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1983 Mercury Zephyr | — | L6 3.3L | Gap 0.050inOE Equivalent Design |
| 1982 Ford Bronco | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1982 Ford F-350 | — | L6 4.9L | Gap 0.044inOE Equivalent Design |
| 1982 Mercury Zephyr | — | L6 3.3L | Gap 0.050inOE Equivalent Design |
| 1981 Ford E-150 Econoline | — | L6 4.9L | Gap 0.044inOE Equivalent Design |

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts

Guaranteed fit — or free return
Currently out of stock
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
Ratings come from verified AutoBuffy buyers after delivery — no imported or paid reviews.

We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.



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Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
Search any part number
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NGK Spark Plug WR5
Out of stock · guaranteed fit or free return

Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.

Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
This NGK automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.

Trusted Automotive Brand
NGK is a trusted manufacturer of quality automotive parts.
View all NGK productsThe NGK Spark Plug (WR5) is a direct-fit replacement for 1952-1986 Ford, Mercury and Lincoln vehicles. UPC 087295124383.
Spark Plug
The NGK Spark Plug (WR5) is a direct-fit replacement for 1952-1986 Ford, Mercury and Lincoln vehicles. UPC 087295124383.
This NGK automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.

We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing

Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.