2004 MERCURY MOUNTAINEER Engines & Components

Mahle Original Premium Piston Ring Sets 41787CP.020

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.571 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41787CP020

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Hayden Idler Pulleys 5975

Idler Pulley, Serpentine, Steel, Black, for use on Acura®, GM, Ford, Jaguar, Each

Part Number: HDA-5975

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Timing Chain Sets 3-398RHA

Engine Timing Set, Stock Replacement Timing Kit

Part Number: MEL-3-398RHA

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

PRW Elite Series SFI-Rated Racing FluidGel Dampers 2528101

Harmonic Balancer, PQx FluidGel, Internal Balance, Black, Ford, Modular, V8, Each

Part Number: PQX-2528101

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

Cloyes Replacement Timing Chain Tensioners 9-5587

Timing Chain Tensioner, Replacement, Steel, Left Arm Tensioner, Each

Part Number: CLO-9-5587

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Moroso Race Oil Filters 22463

Oil Filter, Racing, 22mm x 1.5 Thread, 3.50 in. High, Each

Part Number: MOR-22463

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Water Pump Pulleys 300-942

Water Pump Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-300-942

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Timing Chain Sets 3-387SIF

Melling Timing Chain Sets 3-387SIF

KIT-TIMING

Part Number: MEL-3-387SIF

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

King XP-Series Coated Rod Bearings CR 868XPNC.026

Rod Bearings, XP-Series Coated, Copper/Lead/Nickel, 0.026 in. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 8

Part Number: KGB-CR868XPNC026

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Hastings Piston Ring Sets 2M4628010

Piston Rings, Plasma-moly, 3.561 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4628010

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Mahle Original Oil Filters OC 705

Oil Filter, Canister, Cadillac, Chrysler, Dodge, Ford, Jeep, Lincoln, Mazda, Mercury, Ram, SRT, Each

Part Number: MAH-OC705

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Enginetech Piston Ring Sets M39516-.50

Engine Piston Ring Set 90-10 FRD/MAZ/MER 4.0L

Part Number: EGN-M3951650

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Cloyes Timing Crankshaft Sprockets S869

Timing Gear, Crankshaft Sprocket, Steel, Ford, Lincoln, Mercury, Each

Part Number: CLO-S869

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

K&N Select Oil Filters SO-2010

Oil Filter, Select, Canister, Black, M22 x-1.5 Thread, 4.34 in. Tall, 3.66 in. Diameter, Anti-Drainback, Bypass Relief, Each

Part Number: KNN-SO-2010

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Oil Pan Drain Plugs 090-115.1

Oil Drain Plug Pilot Point M14-1.50, Head Size 13Mm

Part Number: RNB-090-115-1

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Engine Oil Dipstick Tubes 917-421

Engine Oil Dipstick Tube, Steel, Black, Ford, Mercury, Each

Part Number: RNB-917-421

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Replacement Valve Locks VL-1084

Valve Locks, Replacement, Stainless Steel, 3-Groove, Ford, Lincoln, Mercury, Each

Part Number: MEL-VL-1084

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Timing Sprockets S766

Timing Gear, Steel Cam Gear, 42-tooth, Right Side, Ford, Lincoln, Mercury, Each

Part Number: MEL-S766

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Timken Harmonic Balancer Repair Sleeves 88187

Repair Sleeve, Harmonic Balancer, Steel, Each

Part Number: TMK-88187

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

King SI-Series Rod Bearings CR 868SI0.75

Rod Bearings, SI-Series, Silicon Aluminum, 0.75mm. Crankshaft Undersize, Ford, 4.6, 5.4L, Set of 8

Part Number: KGB-CR868SI075

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Dorman Automatic Belt Tensioners 419-011

Automatic Belt Tensioner, Ford, Lincoln, Mercury, Each

Part Number: RNB-419-011

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Valves V1924

Valve, Intake, 1.752 in. Head Diameter, 6.99mm Stem Diameter, 4.750 in. Overall Length, Ford, Lincoln, Mercury, Each

Part Number: MEL-V1924

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Melling Timing Chain Tensioners BT429

TENSIONER

Part Number: MEL-BT429

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Melling Rocker Arms MR-943

ARM-ENG VALVE ROCKER

Part Number: MEL-MR-943

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Sealed Power CP-Series Rod Bearings 6-3055CP

Rod Bearings, Standard Size, Tri Metal, Ford, Mercury, Merkur, Mazda, V6, Set of 6

Part Number: SLP-6-3055CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Estimated Ship Date: Monday 4/20/2026 if shipped by air