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Nationwide Auto Parts USA
Nationwide Auto Parts USAUsed OEM engines — VIN-verified fitment
(888) 488-6545Mon–Fri 7am–5pm · Sat 8am–1pm MT

Used Mercury Engines For Sale

VIN‑Verified Fitment Warranty Included Free Insured Shipping Same‑Day Quotes
Vehicle down or on the lift? Call (888) 488-6545 for priority quotes.

A replacement engine from the dealer can run $3,500–$8,000+. We carry the same OEM unit at 40–60% less — fitment verified before you pay a dime.

OEM Mercury Powertrains · Low Miles · Tested & Inspected · Ships Free Nationwide

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Save 40–60% (typically $1,200–$4,000) vs. dealer pricing. Used OEM engines with warranty included — delivered to your door or shop.
  • OEM fitment verified — we confirm displacement, configuration, and factory build codes for your exact vehicle before quoting.
  • Warranty included — every engine comes with warranty coverage. Extended warranty options may be available.
  • Fast insured freight shipping — drained, palletized, and insured for safe delivery to your repair shop or address.
  • Nationwide OEM inventory — engines for domestic and import vehicles inspected and ready to ship.
★★★★★4.9/5156 Google Reviews
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Check Engine Price & Availability

Takes under 60 seconds. No obligation.

engines quoted today — inventory moving fast

Don't see yours? Just type it in — we cover all makes & models.

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Need it faster? Call (888) 488-6545 for priority quotes.

"Needed a engine for my F-150. Nationwide verified the exact match by VIN, and it showed up at my mechanic's shop palletized and ready to drop in. Saved over $2,500 vs the dealer."

— Carlos M., AZ
4.9/5156 Google Reviews
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156 Google Reviews · 4.9/5 Every Engine VIN-Verified Warranty on Every Engine Free Insured Shipping

Engines for every major make

Mercury (discontinued 2011) used Ford engine platforms exclusively. The Grand Marquis used the 4.6L Modular V8 (same as the Crown Victoria and Town Car). The Mountaineer shared the 4.0L SOHC V6 and 4.6L/5.0L V8 with the Explorer. The Milan shared the 2.3L/2.5L Duratec with the Fusion, and the Mariner matched the Escape's 2.3L/2.5L/3.0L lineup. Every Mercury engine is sourced from the full Ford inventory pool.

Common Mercury Engine Issues

These are the most frequent reasons Mercury owners need a replacement engine.

4.6L 2V Modular (Grand Marquis) — Intake Manifold Coolant Crossover & Timing Chain Guides: Same as Ford Crown Victoria — the plastic intake manifold coolant crossover cracks with age, and the plastic timing chain guide/tensioner arms degrade. Both are age-related failures on 15+ year old engines. A replacement engine with lower mileage and fresh gaskets provides a clean slate rather than chasing individual repairs on worn internals. A replacement engine with lower mileage and fresh gaskets provides a clean slate rather than chasing individual repairs on worn internals.

4.0L SOHC V6 (Mountaineer) — Timing Chain Cassette Failure: The 4.0L SOHC V6 uses three timing chains with plastic guide cassettes that fail between 80K–130K miles, causing a loud rattle and eventually timing loss. The repair is extremely labor-intensive (requires engine removal in many configurations), making a replacement engine the practical path.

Mercury engines are Ford platforms with full cross-compatibility — but discontinued make supply is finite. Quote now while inventory is available.

Why Choose Nationwide Auto Parts USA

VIN-Level VerificationMatched to your exact vehicle's build data — not just year/make/model.
Same-Day QuotesCall and get a quote in minutes. Form submissions answered same business day.
Fast Nationwide ShippingEngines drained, palletized, and shipped insured anywhere in the U.S.
Warranty IncludedEvery engine comes with warranty coverage. Extended options available.
Flexible PaymentVisa, Mastercard, Amex, Discover, and JCB accepted. Financing available.
Real People, Real HelpTalk to knowledgeable staff who understand engines — not a call center script.

How it works — simple and accurate

Engines vary by configuration and build codes. We verify everything first, then quote from confirmed inventory.

1
Send your detailsYear, Make, Model + engine size if known. VIN is best.
2
We verify fitmentConfiguration and factory codes confirmed to prevent mismatches.
3
We check inventoryCorrect OEM engine located and prepared for shipment.
4
You get a quoteClear pricing with shipping + warranty. No obligation.

What affects your delivered price

Online price ranges can be misleading. We quote the exact unit for your vehicle with delivery included.

Vehicle + engine type Configuration varies by trim — we verify the exact match.
Assembly type Priced according to availability and assembly type.
Mileage & condition Used OEM units vary. We outline what is available and provide condition details.
Shipping method Repair shop / commercial is fastest. Residential options available with liftgate.
We accept
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Financing Available

Mercury Engine — Quick Answers

Can you still get Mercury engines?

Yes — Mercury used Ford engines that remain widely available. The Grand Marquis is the same as Crown Victoria, Mountaineer same as Explorer. We source from the full Ford inventory pool.

Are Mercury and Ford engines interchangeable?

Mercury engines are identical to their Ford counterparts — same part numbers, same specifications. A Grand Marquis 4.6L is directly interchangeable with a Crown Victoria or Town Car 4.6L.

That engine isn't going to replace itself

customers quoted today — every day without your vehicle costs you money. Lock in your price in 60 seconds, no obligation.