12K (A2 & M11** Series)

Get your hands on top-quality radiator and cooling system parts with our 12K (A2 & M11** Series) category. From radiator caps to water pumps, thermostat gaskets to fan clutch hoses, find everything you need to keep your engine running cool and smooth. Upgrade your vehicle with the best parts available.

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  • WATER PUMP BACKING PLATE WATER PUMP BACKING PLATE
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    WATER PUMP BACKING PLATE

    PLATE W / PUMP BACKING 2990014116556 Part Alternates: GEP12562659, 5743232, 12562659, 23500805, 2990-01-411-6556, 01-411-6556, 2990014116556, 014116556
    $200.82
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  • Thermostat 6.5L NA & 6.5L Turbo Thermostat 6.5L NA & 6.5L Turbo
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    Thermostat 6.5L NA & 6.5L Turbo

    (2)

    Thermostat 6.5L NA & 6.5L Turbo #1 In Diagram 6685014449478 Alternate Part Numbers: 12551497, 12559337, 456720025604 , 5743238, 6685PL0649014 , 6685-01-444-9478, 01-444-9478, 6685014449478, 014449478
    $33.36
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  • Water Pump Bypass Hose Water Pump Bypass Hose
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    Water Pump Bypass Hose

    Water Pump Bypass Hose 4720015425180 Alternate Part Numbers: 10243629, 5744460, 4720-01-542-5180, 01-542-5180, 4720015425180, 015425180
    $17.55
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  • STRAIGHT CONNECTOR MALE

    STRAIGHT CONNECTOR MALE

    STRAIGHT CONNECTOR MALE 4730014886433 Part Alternates: SAE J514 6-4 070102, SAE J514 6-4 070102C, SAEJ51464070102, SAEJ51464070102C, 6-4 070102, 64070102, J514, 4730-01-488-6433, 01-488-6433, 4730014886433, 014886433
  • ELBOW-45 DEG MALE- INSERT
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    ELBOW-45 DEG MALE- INSERT

    ELBOW-45 DEG MALE- INSERT 4730011749405 Part Alternates: 1480X6, 279NTA64, 279NTA-6-4, 4474F06X04, 4-474-F-06X04, 58495AX, 6-4 100302BA , 64100302BA, J246, 4730-01-174-9405, 01-174-9405, 4730011749405, 011749405
    $11.61
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  • ADAPTER 3/8 INV FL

    ADAPTER 3/8 INV FL

    ADAPTER 3/8 INV FL 4730002891254 Part Alternates: MS518756, MS51875-6, M1271, M-1271, MD1393, C0NNECT0RINVERTEDFLARE, S10081, S1008-1, SAE J512 6-4 040102B , SAEJ51264040102B, U1050462S, U10-50-462S, U1650462S, U16-50-462S, V1050462S, V10-50-462S,...
  • UNION STRAIGHT MALE

    UNION STRAIGHT MALE

    UNION STRAIGHT MALE 4730005778017 Part Alternates: MS51501A6, MILF18866, MIL-F-18866, 24036R1, 6-6 070101CA, 66070101CA, 6HBTXS, 6HTXS, 6HTX-S, 811X6, J514, 4730-00-577-8017, 00-577-8017, 4730005778017, 005778017