Reliable Performance for Classic & Modern Mercury Vehicles
At Gearhead Engines, we specialize in premium remanufactured engines that give new life to your Mercury vehicle—whether you’re restoring a classic Cougar or extending the life of your daily-driver Mariner. Each engine is rebuilt to meet or exceed OEM specifications and backed by our industry-leading warranty, ensuring long-lasting performance and peace of mind.
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Mercury Engine Models We Support
Capri
Colony Park
Comet
Commuter
Cougar
Cyclone
Grand Marquis
Lynx
Marauder
Mariner
Marquis
Milan
Monarch
Montclair
Montego
Monterey
Mountaineer
Mystique
Park Lane
Sable
Topaz
Tracer
Villager
Zephyr
From daily drivers to collector cars, our engines are precision-built, dyno-tested, and ready to deliver the reliable performance Mercury drivers expect.
Gearhead Engines is your trusted source for remanufactured Mercury engines that deliver like-new performance with better value. Whether you’re reviving a vintage ride or keeping your family vehicle running strong, we’re here to help.
Why Choose Gearhead Engines?
Rigorous Multi-Point Inspection and Testing
Nationwide Shipping
Outstanding Warranty Coverage
Dedicated Customer Support
Need another engine or not sure what you exactly need? Our team of experts is ready to help. Just provide your vehicle’s VIN, year, and model, and we’ll make sure you get the right fit the first time. Fill out the quote form or contact us at info@gearheadengines.com or call 800-508-5999.
Getting a FREE quote for your remanufactured engine is simple!
MOBILE USERS: Tap the plus sign (+) in the table below to see expanded detail and to request a quote.
1987; D9AE-ED; D9OE, D8OE-AB; D9OE, D8OE-AB; 7MA; 27540230R1; 3300; "SIM Tested" for Compression, Leaks, Noises & Oil Pressure; All Blocks Line Honed, Block & Heads 100% Surfaced, Chrome or Moly Rings, Complete Installation Gaskets
5.0
8
1977 Mercury 5L 8 Engine Long Block
Engine Long Block
DFG13
1975
Mercury
Comet
1987; D9AE-ED; D9OE, D8OE-AB; D9OE, D8OE-AB; 7MA; 27540230R1; 3300; "SIM Tested" for Compression, Leaks, Noises & Oil Pressure; All Blocks Line Honed, Block & Heads 100% Surfaced, Chrome or Moly Rings, Complete Installation Gaskets
5.0
8
1975 Mercury 5L 8 Engine Long Block
Engine Long Block
DFG13
1976
Mercury
Comet
1987; D9AE-ED; D9OE, D8OE-AB; D9OE, D8OE-AB; 7MA; 27540230R1; 3300; "SIM Tested" for Compression, Leaks, Noises & Oil Pressure; All Blocks Line Honed, Block & Heads 100% Surfaced, Chrome or Moly Rings, Complete Installation Gaskets
5.0
8
1976 Mercury 5L 8 Engine Long Block
Engine Long Block
DFG13
1978
Mercury
Cougar
1987; D9AE-ED; D9OE, D8OE-AB; D9OE, D8OE-AB; 7MA; 27540230R1; 3300; "SIM Tested" for Compression, Leaks, Noises & Oil Pressure; All Blocks Line Honed, Block & Heads 100% Surfaced, Chrome or Moly Rings, Complete Installation Gaskets
5.0
8
1978 Mercury 5L 8 Engine Long Block
Engine Long Block
DFG13
If you’re unsure which is the best product for your needs or budget, remember that the Gearhead sales team is available to answer your questions Monday through Friday, 8 a.m.-5 p.m. Central Time.
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