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Mercury Grand Marquis Engines
Our used Mercury Grand Marquis engines/motors come with 1-year warranty and 30-day price match guarantee. Buy your Mercury Grand Marquis engine from us with confidence knowing we stand behind the quality of our used car and truck engines.Save time and money searching for a cheap Mercury Grand Marquis engine. Our Mercury Grand Marquis discount price is guaranteed for 30 days.
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Sample Engines & Motors for Mercury Grand Marquis Vehicles
The following Engines & Motors listings are sample products shown for reference only. To ensure guaranteed fitment, customers must use the Year–Make–Model (YMM) selector above and choose the correct Hollander Interchange–verified part for their Mercury Grand Marquis .
Automotix has been in business for over 20 years, offers a 1-year warranty, financing options, and one of the best return policies in the recycled OEM auto parts industry.
2003 Mercury Grand Marquis Gas Engine
(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
145K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER
Genuine Mercury Part
Excellent Condition
72K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER
Genuine Mercury Part
Excellent Condition
72K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER
Genuine Mercury Part
Excellent Condition
72K Miles
1-Year Warranty
Located at Tampa Or Ocala, Florida 34429
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
(NEEDS TIMING COVER AND VALVE COVER)(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Excellent Condition
117K Miles
1-Year Warranty
Located at Orlando, Florida 32940
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
(NEEDS TIMING COVER AND VALVE COVER)(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Excellent Condition
117K Miles
1-Year Warranty
Located at Orlando, Florida 32940
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
(NEEDS TIMING COVER AND VALVE COVER)(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Excellent Condition
117K Miles
1-Year Warranty
Located at Orlando, Florida 32940
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER RUNS REALLY GREAT LAST RAN 4 21
Genuine Mercury Part
Good Condition
96K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER RUNS REALLY GREAT LAST RAN 4 21
Genuine Mercury Part
Good Condition
96K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE, ROMEO), Without OIL COOLER RUNS REALLY GREAT LAST RAN 4 21
Genuine Mercury Part
Good Condition
96K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2007 Mercury Grand Marquis Gas Engine
(4.6L), VIN W (8TH DIGIT, GASOLINE), Without OIL COOLER RUNS
Genuine Mercury Part
Excellent Condition
153K Miles
1-Year Warranty
Located at Atlanta, Georgia 30234
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
RAN (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
148K Miles
1-Year Warranty
Located at Tallahassee, Florida 32055
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
RAN (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
148K Miles
1-Year Warranty
Located at Tallahassee, Florida 32055
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
RAN (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
148K Miles
1-Year Warranty
Located at Tallahassee, Florida 32055
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
RUNS GREAT LAST RUN 4-7-26, (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
130K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.
2004 Mercury Grand Marquis Gas Engine
RUNS GREAT LAST RUN 4-7-26, (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
130K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.
2005 Mercury Grand Marquis Gas Engine
RUNS GREAT LAST RUN 4-7-26, (4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Good Condition
130K Miles
1-Year Warranty
Located at Charlotte, North Carolina 28146
Availability varies by year, engine size, and fitment.
2003 Mercury Grand Marquis Gas Engine
(4.6L, VIN W, 8TH DIGIT)
Genuine Mercury Part
Excellent Condition
123K Miles
1-Year Warranty
Located at Greensboro, North Carolina 28551
Availability varies by year, engine size, and fitment.
🔧 Engines – FAQs
Q: Do you sell used Mercury engines?
A: Yes. Automotix has sold hundreds of thousands of OEM used engines over the past 20+ years, including engines for many Mercury models.
Q: Is it safe to buy a used engine online?
A: Yes. Automotix verifies fitment using Hollander Interchange data and offers a 1-year warranty on eligible engines.
Q: How do I know the engine will fit my Mercury Grand Marquis ?
A: Use the YMM selector to find a Hollander-verified engine that matches your exact vehicle configuration.
Q: Why do used engine prices vary?
A: Pricing depends on year, engine type, mileage, condition, and availability.
