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Replacement and OEM Parts for Mercury Radiator Cap
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Mercury Radiator Cap

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Cooling Systems, Fans & Radiators
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43 Products found

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  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31539

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31539
    Product 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
    More Info
    $20.98
  • OEM (Genuine) Mercury Radiator Cap

    PartNumber: 6L2Z-8100-AC
    OEM Mercury Radiator Cap - 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
    More Info
    $9.50 MSRP: $14.87
    You Save: $5.37 (37%)
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31333

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31333
    Product 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
    More Info
    $7.28
  • OEM (Genuine) Mercury Reservoir Assembly Cap

    PartNumber: E9SZ-8100-A
    OEM Mercury Reservoir Assembly Cap - 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
    More Info
    $6.07 MSRP: $9.49
    You Save: $3.42 (37%)
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31336

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31336
    Product 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
    More Info
    $7.28
  • OEM (Genuine) Mercury Cap

    PartNumber: E5TZ-8100-A
    OEM Mercury Cap - 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
    More Info
    $6.56 MSRP: $10.27
    You Save: $3.71 (37%)
  • Gates Engine Coolant Safety Release Radiator Cap for Mercury - 31518

    Gates® Engine Coolant Safety Release Radiator Cap for Mercury

    PartNumber: 31518
    Product 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
    More Info
    $6.67
  • Gates Engine Coolant Safety Release Radiator Cap for Mercury - 31534

    Gates® Engine Coolant Safety Release Radiator Cap for Mercury

    PartNumber: 31534
    Product 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
    More Info
    $6.40
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: F4TZ-8100-B
    OEM Mercury Reservoir Cap - 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
    More Info
    $5.25 MSRP: $8.36
    You Save: $3.11 (38%)
  • Gates Engine Coolant Safety Release Radiator Cap for Mercury - 31516

    Gates® Engine Coolant Safety Release Radiator Cap for Mercury

    PartNumber: 31516
    Product 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
    More Info
    $6.24
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: F5RZ-8100-A
    OEM Mercury Reservoir Cap - 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
    More Info
    $8.61 MSRP: $13.71
    You Save: $5.10 (38%)
  • Gates Engine Coolant Replacement Reservoir Cap for Mercury - 31406

    Gates® Engine Coolant Replacement Reservoir Cap for Mercury

    PartNumber: 31406
    Product 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
    More Info
    $4.48
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: F8RZ-8100-AA
    OEM Mercury Reservoir Cap - F8RZ-8100-AA
    Product 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
    More Info
    $4.47 MSRP: $7.11
    You Save: $2.64 (38%)
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31527

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31527
    Product 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
    More Info
    $4.17
  • CSF OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury - 4502

    CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury

    PartNumber: 4502
    Product Specifications
    • OE Part Number: 10227
    • UPC: 710353450215
    • Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
    More Info
    $3.97
  • CSF OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury - 4503

    CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury

    PartNumber: 4503
    Product Specifications
    • OE Part Number: 10233
    • UPC: 710353450314
    • Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
    More Info
    $3.97
  • CSF OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury - 4540

    CSF® OE Style Engine Coolant Radiator Pressure Mini Cap for Mercury

    PartNumber: 4540
    Product Specifications
    • OE Part Number: 10361
    • UPC: 710353454015
    • Part Description: Mercury OE Style Engine Coolant Radiator Pressure Mini Cap
    More Info
    $3.97
  • Gates Engine Coolant Safety Release Radiator Cap for Mercury - 31511

    Gates® Engine Coolant Safety Release Radiator Cap for Mercury

    PartNumber: 31511
    Product 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
    More Info
    $6.67
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: YL8Z-8100-AA
    OEM Mercury Reservoir Cap - 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
    More Info
    $12.78 MSRP: $20.18
    You Save: $7.40 (37%)
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31523

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31523
    Product 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
    More Info
    $4.17
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: YM1Z-8100-AB
    OEM Mercury Reservoir Cap - YM1Z-8100-AB
    Product Specifications
    • Other Names: Cap, Radiator Cap, Reservoir Cap
    • Item Dimensions: 3.2 x 1.7 x 2.6 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: YM1Z-8100-AA
    • Part Description: Mercury Reservoir Cap
    More Info
    $8.28 MSRP: $12.96
    You Save: $4.68 (37%)
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31528

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31528
    Product 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
    More Info
    $4.17
  • Gates Engine Coolant Safety Release Radiator Cap for Mercury - 31533

    Gates® Engine Coolant Safety Release Radiator Cap for Mercury

    PartNumber: 31533
    Product 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
    More Info
    $7.62
  • Gates Engine Coolant Replacement Radiator Cap for Mercury - 31564

    Gates® Engine Coolant Replacement Radiator Cap for Mercury

    PartNumber: 31564
    Product 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
    More Info
    $9.91
  • OEM (Genuine) Mercury Reservoir Cap

    PartNumber: 9C3Z-8101-B
    OEM Mercury Reservoir Cap - 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
    More Info
  • OEM (Genuine) Mercury Radiator Cap

    PartNumber: YF5Z-8100-AA
    OEM Mercury Radiator Cap - YF5Z-8100-AA
    Product 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
    More Info
  • OEM (Genuine) Mercury Cap

    PartNumber: 5F9Z-8A500-AB
    OEM Mercury Cap - 5F9Z-8A500-AB
    Product Specifications
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Mercury Cap
    More Info
  • STANT Engine Coolant Radiator Cap for Mercury - 10206

    STANT® Engine Coolant Radiator Cap for Mercury

    PartNumber: 10206
    Product 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
    More Info
  • STANT Engine Coolant Radiator Cap for Mercury - 10227

    STANT® Engine Coolant Radiator Cap for Mercury

    PartNumber: 10227
    Product 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
    More Info
  • STANT Engine Coolant Radiator Cap for Mercury - 10229

    STANT® Engine Coolant Radiator Cap for Mercury

    PartNumber: 10229
    Product 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
    More Info
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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.