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OEM (Genuine) Mercury Reservoir Cap
PartNumber: 9C3Z-8101-B
Product Specifications- Other Names: Cap, Radiator Cap, Reservoir Cap
- Item Dimensions: 6.2 x 4.1 x 4.2 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 9C3Z-8101-A, 8C3Z-8101-A, F6ZZ-8100-A, RS-103, F3LY-8100-A, XL3Z-8100-AA, RS-517
- Part Description: Mercury Reservoir Cap
$5.65 MSRP:$10.78You Save: $5.13 (48%)
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31539Product Specifications- Cap Depth: 1.5 in
- Coolant Recovery System: Closed System
- Filler Neck Depth: 1.41 in
- Filler Neck Inside Diameter: 1.53 in
- Filler Neck Outside Diameter: 1.97 in
- OE Comparison Rating: OE Performance
- Pressure Rating: 17 psi
- SAE Pressure Range: 15-18 psi
- Shell Diameter: 2.48 in
- UPC: 072053844245
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$22.37
OEM (Genuine) Mercury Radiator Cap
PartNumber: 6L2Z-8100-AC
Product Specifications- Other Names: Radiator Cap
- Item Dimensions: 3.1 x 1.3 x 3.3 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Radiator Cap
$9.20 MSRP:$14.87You Save: $5.67 (39%)
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31333Product Specifications- Cap Depth: 1.06 in
- Coolant Recovery System: Closed System
- Filler Neck Depth: 16 mm
- Filler Neck Inside Diameter: 32 mm
- Filler Neck Outside Diameter: 43 mm
- OE Comparison Rating: OE Performance
- Pressure Rating: 13 psi
- SAE Pressure Range: 12-16 psi
- Shell Diameter: 2.59 in
- UPC: 072053020083
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$7.84
OEM (Genuine) Mercury Reservoir Assembly Cap
PartNumber: E9SZ-8100-A
Product Specifications- Item Dimensions: 3.2 x 1.7 x 2.7 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: F42Z-8100-A
- Part Description: Mercury Reservoir Assembly Cap
$4.46 MSRP:$7.09You Save: $2.63 (38%)
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31336Product Specifications- Cap Depth: 1.06 in
- Coolant Recovery System: Closed System
- Filler Neck Depth: 16 mm
- Filler Neck Inside Diameter: 32 mm
- Filler Neck Outside Diameter: 43 mm
- OE Comparison Rating: OE Performance
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 66 mm
- UPC: 072053416084
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$7.84
OEM (Genuine) Mercury Cap
PartNumber: E5TZ-8100-A
Product Specifications- Other Names: Cap, Radiator Cap
- Item Dimensions: 6.4 x 4.2 x 4.2 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Cap
$6.35 MSRP:$10.27You Save: $3.92 (39%)
Gates® Engine Coolant Safety Release Radiator Cap for Mercury
PartNumber: 31518Product Specifications- Cap Depth: 1.5 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- OE Part Number: 50237
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 2.61 in
- UPC: 072053020458
- Part Description: Mercury Engine Coolant Safety Release Radiator Cap
$7.17
Gates® Engine Coolant Safety Release Radiator Cap for Mercury
PartNumber: 31534Product Specifications- Cap Depth: 1.41 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 16 mm
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 43 mm
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 2.2 in
- UPC: 072053638967
- Part Description: Mercury Engine Coolant Safety Release Radiator Cap
$6.91
OEM (Genuine) Mercury Reservoir Cap
PartNumber: F4TZ-8100-B
Product Specifications- Other Names: Cap, Radiator Cap, Reservoir Cap
- Item Dimensions: 3.1 x 1.6 x 2.8 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: E9DZ-8100-A, E9TZ-8100-A
- Part Description: Mercury Reservoir Cap
$4.01 MSRP:$6.38You Save: $2.37 (38%)
Gates® Engine Coolant Safety Release Radiator Cap for Mercury
PartNumber: 31516Product Specifications- Cap Depth: 1.5 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 2.61 in
- UPC: 072053114898
- Part Description: Mercury Engine Coolant Safety Release Radiator Cap
$6.73
Gates® Engine Coolant Replacement Reservoir Cap for Mercury
PartNumber: 31406Product Specifications- Cap Depth: 0.75 in
- Coolant Recovery System: Closed System
- Filler Neck Depth: 19 mm
- Filler Neck Inside Diameter: 33 mm
- Filler Neck Outside Diameter: 1.23 in
- OE Comparison Rating: OE Performance
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 84 mm
- UPC: 072053134247
- Part Description: Mercury Engine Coolant Replacement Reservoir Cap
$4.82
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31527Product Specifications- Cap Depth: 1.25 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- OE Comparison Rating: OE Performance
- Pressure Rating: 13 psi
- SAE Pressure Range: 12-16 psi
- Shell Diameter: 2.33 in
- UPC: 072053020472
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$4.48
OEM (Genuine) Mercury Cap
PartNumber: 5F9Z-8A500-AB
Product Specifications- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Cap
$13.74 MSRP:$18.75You Save: $5.01 (27%)
CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury
PartNumber: 4502Product Specifications- OE Part Number: 10227
- UPC: 710353450215
- Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
$3.97CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury
PartNumber: 4503Product Specifications- OE Part Number: 10233
- UPC: 710353450314
- Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
$3.97CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury
PartNumber: 4540Product Specifications- OE Part Number: 10361
- UPC: 710353454015
- Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
$3.97
Gates® Engine Coolant Safety Release Radiator Cap for Mercury
PartNumber: 31511Product Specifications- Cap Depth: 1.5 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- Pressure Rating: 13 psi
- SAE Pressure Range: 12-16 psi
- Shell Diameter: 2.61 in
- UPC: 072053020427
- Part Description: Mercury Engine Coolant Safety Release Radiator Cap
$7.17
OEM (Genuine) Mercury Reservoir Cap
PartNumber: YL8Z-8100-AA
Product Specifications- Other Names: Cap, Reservoir Cap
- Item Dimensions: 6.3 x 4.1 x 4.0 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Reservoir Cap
$13.69 MSRP:$21.82You Save: $8.13 (38%)
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31523Product Specifications- Cap Depth: 1.25 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- OE Comparison Rating: OE Performance
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 2.33 in
- UPC: 072053114881
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$4.48
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31528Product Specifications- Cap Depth: 1.25 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 0.75 in
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 2.13 in
- OE Comparison Rating: OE Performance
- Pressure Rating: 16 psi
- SAE Pressure Range: 14-18 psi
- Shell Diameter: 2.33 in
- UPC: 072053020489
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$4.48
Gates® Engine Coolant Safety Release Radiator Cap for Mercury
PartNumber: 31533Product Specifications- Cap Depth: 1.41 in
- Coolant Recovery System: Optional System
- Filler Neck Depth: 16 mm
- Filler Neck Inside Diameter: 1.61 in
- Filler Neck Outside Diameter: 43 mm
- Pressure Rating: 13 psi
- SAE Pressure Range: 12-16 psi
- Shell Diameter: 2.2 in
- UPC: 072053638950
- Part Description: Mercury Engine Coolant Safety Release Radiator Cap
$8.22
Gates® Engine Coolant Replacement Radiator Cap for Mercury
PartNumber: 31564Product Specifications- Cap Depth: 1.06 in
- Coolant Recovery System: Closed System
- Filler Neck Depth: 16 mm
- Filler Neck Inside Diameter: 1.26 in
- Filler Neck Outside Diameter: 43 mm
- OE Comparison Rating: OE Performance
- Pressure Rating: 20 psi
- SAE Pressure Range: 18-22 psi
- Shell Diameter: 2.59 in
- UPC: 770075523987
- Part Description: Mercury Engine Coolant Replacement Radiator Cap
$10.68OEM (Genuine) Mercury Radiator Cap
PartNumber: YF5Z-8100-AAProduct Specifications- Other Names: Radiator Cap
- Item Dimensions: 3.1 x 1.7 x 2.6 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Radiator Cap
OEM (Genuine) Mercury Reservoir Cap
PartNumber: F5RZ-8100-A
Product Specifications- Other Names: Cap, Radiator Cap, Reservoir Cap
- Item Dimensions: 6.3 x 4.1 x 4.1 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Reservoir Cap
OEM (Genuine) Mercury Reservoir Cap
PartNumber: F8RZ-8100-AAProduct Specifications- Other Names: Cap, Radiator Cap, Reservoir Cap
- Item Dimensions: 6.3 x 4.2 x 4.2 inches
- Item Weight: 0.40 Pounds
- Fitment Type: Direct Replacement
- Part Description: Mercury Reservoir Cap
STANT® Engine Coolant Radiator Cap for Mercury
PartNumber: 10206Product Specifications- Cap Depth: 1.41"
- Filler Neck Depth: 1"
- Filler Neck Inside Diameter: 1.61"
- Filler Neck Outside Diameter: 2.13"
- OE Part Number: B2AZ8100E
- Pressure: 7 psi
- Shell Diameter: 2.33"
- Type: Open System
- UPC: 033342001060
- Part Description: Mercury Engine Coolant Radiator Cap
STANT® Engine Coolant Radiator Cap for Mercury
PartNumber: 10227Product Specifications- Cap Depth: 1.06"
- Filler Neck Depth: 0.63"
- Filler Neck Inside Diameter: 1.26"
- Filler Neck Outside Diameter: 1.69"
- OE Part Number: MB222066, 21430-01F02, MB660701, MB660735, MB660055, MR481217, MB356417, MB890520, YM1Z-8100-AB, E8BZ8100B, E8GY8100A, YF5Z8100AA, F32Z8100A, E92H8100AB, YM1Z-8100-AA, F3XY8100A, YF5H8100AA, F3XY8100B, F6XH8100AA, E92H8100AC, E8GY8100B, F1CZ8100A, F4BZ810
- Pressure: 13 psi
- Shell Diameter: 2.59"
- Type: Closed System
- UPC: 033342001275
- Part Description: Mercury Engine Coolant Radiator Cap
STANT® Engine Coolant Radiator Cap for Mercury
PartNumber: 10229Product Specifications- Cap Depth: 1.25"
- Filler Neck Depth: 0.75"
- Filler Neck Inside Diameter: 1.61"
- Filler Neck Outside Diameter: 2.13"
- OE Part Number: 17111100848, 17111712669, 17111712492, 17111262051, 17110152374, 171111200, 3187167, MB007298, MB221633, J3239819, 83502502, J3239375, MB007571, MB007570, MB721633, J3246241, 2239643, 33000866, MB007900, 3220313, 1686107, E5TZ8100A, E7RY-8100-A, D7ZZ8100A
- Pressure: 13 psi
- Shell Diameter: 2.33"
- Type: Optional System
- UPC: 033342001299
- Part Description: Mercury Engine Coolant Radiator Cap
STANT® Engine Coolant Radiator Cap for Mercury
PartNumber: 10230Product Specifications- Cap Depth: 1.25"
- Filler Neck Depth: 0.75"
- Filler Neck Inside Diameter: 1.61"
- Filler Neck Outside Diameter: 2.13"
- OE Part Number: 11531486703, 11171100848, 17111468060, 4596444AA, 5278697AA, 4592098, 05278697AA, 52014479AA, 04596444AA, 5191233AA, 04693175AA, 4693175, 5086226AA, 5352594, F4TZ8100B, FIVH8100BA, F1VY8100B, E9DZ8100A, F47H8100AB, 5-21450-002-1, 9-21450-610-0, 8-94228-74
- Pressure: 16 psi
- Shell Diameter: 2.33"
- Type: Optional System
- UPC: 033342001305
- Part Description: Mercury Engine Coolant Radiator Cap
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Next >About Mercury Radiator Cap
Mercury's products contributed to its development in 107 years. During the 1950s, the brand received great success. In the history of Mercury, many popular radiator caps have been made. The radiator cap parts can help as pressure relief valves. And they will avoid excess pressure. The faulty Mercury radiator cap parts can lead to leaking coolant, overheating of the engine, and collapsed radiator hose parts.
Mercury provides a large selection of high-performance parts. But after a long time of usage, the worn radiator cap parts might cause huge problems. A radiator cap is made for regulating the pressure in the car's cooling system. The most common radiator cap pressures include 16 PSI, 15 PSI, 13 PSI, and 10 PSI. Get helpful car parts at a low price with just a few clicks online. We provide considerate and nice services to Mercury buyers.