Genuine Mercury Radiator Cap

Cooling Radiator Cap

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12 Radiator Caps found

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Mercury Cap - Rad - With Press Relief
Part Number: 9C3Z-8101-B
$5.64 MSRP: $10.78
You Save: $5.14 (48%)
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Product Specifications
- Other Name: Cap - Rad - With Press Relief Valve; Cap, Radiator Cap, Reservoir Cap
- Replaces: 9C3Z-8101-A, F3LY-8100-A, XL3Z-8100-AA, RS-103, 8C3Z-8101-A, RS-517, F6ZZ-8100-A
Fits the following Mercury Models:
- Cougar | 1994-1997 | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
- Grand Marquis | 2009-2011, 1992-1995 | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, 4AT, 4AT AOD, 4AT AODE, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- Milan | 2009-2011 | 4 Cyl 2.3L, 4 Cyl 2.5L Duratec HE PFI, 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI, 6 Cyl 3.0L OHC Duratec, 6 Cyl 3.5L DOHC VCT SMPI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Cap - Rad - With Pre
Part Number: F6DZ-8100-A
$8.04 MSRP: $10.99
You Save: $2.95 (27%)
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Product Specifications
- Other Name: Cap - Rad - With Press Relief Valve
Fits the following Mercury Models:
- Grand Marquis | 1996-2009 | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R70W, 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- Milan | 2006-2009 | 4 Cyl 2.3L, 6 Cyl 3.0L DOHC EFI, 6 Cyl 3.5L DOHC VCT SMPI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Montego | 2005-2007 | 6 Cyl 3.0L DOHC EFI Modular | 6-Speed Automatic Transaxle - AWF21, CVT Select Shift Transmission, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Monterey | 2004-2007 | 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.2L OHV EFI | 4AT AX4N, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Mountaineer | 2002-2005 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- Sable | 2008-2009, 1996-2005 | 6 Cyl 3.0L, 6 Cyl 3.5L DOHC VCT SMPI | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F50, 6AT, CVT Select Shift Transmission, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Cap Assembly - Radiator
Part Number: YL8Z-8100-AA
$13.68 MSRP: $21.82
You Save: $8.14 (38%)
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Product Specifications
- Other Name: Cap Assy - Radiator; Cap, Reservoir Cap
Fits the following Mercury Models:
- Mariner | 2005-2011 | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Mercury Cap Assembly - Radiator
Part Number: E9SZ-8100-A
$4.45 MSRP: $7.09
You Save: $2.64 (38%)
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Product Specifications
- Other Name: Cap Assy - Radiator
- Manufacturer Note: Coolant bottle cap
- Replaces: F42Z-8100-A
Fits the following Mercury Models:
- Cougar | 1989-1995 | 6 Cyl 3.8L, 8 Cyl 5.0L | 4AT, 4AT AOD, 4AT AODE, 5MT
- Topaz | 1992-1994 | 4 Cyl 2.3L, 6 Cyl 3.0L | 3AT ATX, 5MT
- Tracer | 1997-1999 | 4 Cyl 2.0L | 4AT F4E-III, 4AT IF4E, 5MT
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Mercury Cap Assembly - Radiator
Part Number: 6L2Z-8100-AC
$9.19 MSRP: $14.87
You Save: $5.68 (39%)
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Product Specifications
- Other Name: Cap Assy - Radiator; Radiator Cap
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Cap Assembly - Radiator
Part Number: E5TZ-8100-A
$6.34 MSRP: $10.27
You Save: $3.93 (39%)
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Product Specifications
- Other Name: Cap Assy - Radiator; Cap, Radiator Cap
Fits the following Mercury Models:
- Capri | 1980-1983 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4MT, 5MT
- Cougar | 1980-1983 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L, 8 Cyl 4.2L, 8 Cyl 5.0L | 3AT C3, 3AT C4, 3AT C5, 4AT AOD, 4MT
- Grand Marquis | 1980-1983 | 8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L | 3AT, 3AT C4, 3AT C6, 4AT AOD
- Marquis | 1983 | 4 Cyl 2.3L, 6 Cyl 3.3L, 6 Cyl 3.8L | 3AT C3, 3AT C5, 4MT
- Mountaineer | 1997-2001 | 8 Cyl 5.0L | 4AT 4R70W, 5AT 5R55E
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Mercury Cap - Rad - With Pre
Part Number: F3LY-8100-A
$6.76 MSRP: $10.78
You Save: $4.02 (38%)
Ships in 1 Business Day
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Product Specifications
- Manufacturer Note: Threaded cap
- Replaced by: 9C3Z-8101-B
Fits the following Mercury Models:
- Cougar | 1994-1997 | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
- Grand Marquis | 1992-1995 | 8 Cyl 4.6L | 4AT, 4AT AOD, 4AT AODE
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Mercury Cap Assembly - Radiator
Part Number: E9DZ-8100-A
$4.00 MSRP: $6.38
You Save: $2.38 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cap Assy - Radiator
- Replaced by: F4TZ-8100-B
Fits the following Mercury Models:
- Sable | 1989-1995 | 6 Cyl 3.0L | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 4AT AXOD, 4AT AXOD-E
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Mercury Cap Assembly - Radiator
Part Number: F5RZ-8100-A
Product Specifications
- Other Name: Cap Assy - Radiator; Cap, Radiator Cap, Reservoir Cap
Fits the following Mercury Models:
- Mystique | 1995-1998 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Cap Assembly - Radiator
Part Number: F6XZ-8100-AA
Product Specifications
- Other Name: Cap Assy - Radiator
- Manufacturer Note: #F6XH 8100-AA
Fits the following Mercury Models:
- Villager | 1996-1999 | 6 Cyl 3.0L, 6 Cyl 3.3L | 4AT 4F20E
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Mercury Cap Assembly - Radiator
Part Number: YF5Z-8100-AA
Product Specifications
- Other Name: Cap Assy - Radiator; Radiator Cap
- Manufacturer Note: #YF5H 8100-AA
Fits the following Mercury Models:
- Villager | 2000-2002 | 6 Cyl 3.3L | 4AT 4F20E
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Mercury Cap Assembly - Radiator
Part Number: F8RZ-8100-AA
Product Specifications
- Other Name: Cap Assy - Radiator; Cap, Radiator Cap, Reservoir Cap
Fits the following Mercury Models:
- Cougar | 1999-2002 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Mystique | 1998-2000 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT

Mercury Radiator Cap

We offer a wide variety of genuine Mercury Radiator Caps at competitive prices online. Our OEM Mercury Radiator Caps come with the assurance of a manufacturer's warranty, alongside a hassle-free return policy and prompt delivery service, ensuring a worry-free shopping experience.