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Replacement and OEM Parts for Radiator Drain Plugs
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Radiator Drain Plugs

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Cooling Systems, Fans & Radiators
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134 Products found

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  • OEM (Genuine) Bolt, Drain (Denso)

    PartNumber: 19011-PH1-621
    OEM Bolt, Drain (Denso) - 19011-PH1-621
    Product Specifications
    • Item Dimensions: 1.8 x 1.0 x 0.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Bolt, Drain (Denso)
    More Info
    $10.63 MSRP: $15.01
    You Save: $4.38 (30%)
  • VAICO Engine Coolant Radiator Drain Plug - V20-1377

    VAICO® Engine Coolant Radiator Drain Plug

    PartNumber: V20-1377
    Product Specifications
    • Colour: Blue
    • Material: Plastic
    • Packaging height [cm]: 4,5
    • Packaging width [cm]: 1,5
    • Weight [kg]: 0,00296
    • Part Description: Engine Coolant Radiator Drain Plug
    More Info
    $5.38
  • OEM (Genuine) Bolt, Drain (Denso)

    PartNumber: 19011-PH1-621
    OEM Bolt, Drain (Denso) - 19011-PH1-621
    Product Specifications
    • Item Dimensions: 1.8 x 1.0 x 0.8 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Bolt, Drain (Denso)
    More Info
    $10.68 MSRP: $15.01
    You Save: $4.33 (29%)
  • OEM (Genuine) Radiator Assembly Plug

    PartNumber: FOAZ-8115-A
    OEM Radiator Assembly Plug - FOAZ-8115-A
    Product Specifications
    • Item Dimensions: 9.4 x 7.4 x 1.0 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: F32Z-8115-A
    • Part Description: Radiator Assembly Plug
    More Info
    $7.60 MSRP: $10.90
    You Save: $3.30 (31%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21440-50Y00
    OEM Cock-Water Drain - 21440-50Y00
    Product Specifications
    • Item Dimensions: 0.8 x 0.8 x 0.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cock-Water Drain
    More Info
    $10.81 MSRP: $14.75
    You Save: $3.94 (27%)
  • OEM (Genuine) Radiator Drain Plug

    PartNumber: 7L1Z-8115-A
    OEM Radiator Drain Plug - 7L1Z-8115-A
    Product Specifications
    • Other Names: Drain Plug, Radiator Drain Plug
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Radiator Drain Plug
    More Info
    $13.86 MSRP: $20.25
    You Save: $6.39 (32%)
  • OEM (Genuine) Drain Valve

    PartNumber: 90910-09054
    OEM Drain Valve - 90910-09054
    Product Specifications
    • Item Dimensions: 5.7 x 1.8 x 0.5 inches
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Drain Valve
    More Info
    $6.56 MSRP: $9.42
    You Save: $2.86 (31%)
  • OEM (Genuine) Bolt, Drain

    PartNumber: 19017-5AA-A01
    OEM Bolt, Drain - 19017-5AA-A01
    Product Specifications
    • Other Names: Drain Plug
    • Item Dimensions: 1.6 x 1.6 x 0.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Bolt, Drain
    More Info
    $2.35 MSRP: $3.30
    You Save: $0.95 (29%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 2531838000
    OEM Plug-Radiator Drain - 2531838000
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Dimensions: 6.1 x 6.1 x 4.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: R218--HHNAC
    • Part Description: Plug-Radiator Drain
    More Info
    $1.72 MSRP: $2.28
    You Save: $0.56 (25%)
  • OEM (Genuine) Cock Assembly, Drain

    PartNumber: 23322-54010
    OEM Cock Assembly, Drain - 23322-54010
    Product Specifications
    • Other Names: Drain Plug, Drain Tube Drain Plug
    • Item Dimensions: 5.1 x 1.6 x 0.2 inches
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cock Assembly, Drain
    More Info
    $7.90 MSRP: $10.11
    You Save: $2.21 (22%)
  • OEM (Genuine) Drain Tube Drain Plug

    PartNumber: 23322-54010
    OEM Drain Tube Drain Plug - 23322-54010
    Product Specifications
    • Other Names: Drain Plug, Drain Tube Drain Plug
    • Item Dimensions: 5.1 x 1.6 x 0.2 inches
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Drain Tube Drain Plug
    More Info
    $7.03 MSRP: $10.11
    You Save: $3.08 (31%)
  • OEM (Genuine) Petcock, Drain (Toyo)

    PartNumber: 19011-PH2-004
    OEM Petcock, Drain (Toyo) - 19011-PH2-004
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Dimensions: 1.6 x 1.0 x 0.8 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 19011-PV0-005
    • Part Description: Petcock, Drain (Toyo)
    More Info
    $9.96 MSRP: $14.01
    You Save: $4.05 (29%)
  • OEM (Genuine) Radiator Assembly Plug

    PartNumber: 16417-21280
    OEM Radiator Assembly Plug - 16417-21280
    Product Specifications
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16417-0C180
    • Part Description: Radiator Assembly Plug
    More Info
    $4.95 MSRP: $7.13
    You Save: $2.18 (31%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 25318-38000
    OEM Plug-Radiator Drain - 25318-38000
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Dimensions: 6.1 x 6.1 x 4.2 inches
    • Item Weight: 1.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: R218--HHNAC
    • Part Description: Plug-Radiator Drain
    More Info
    $3.40 MSRP: $4.56
    You Save: $1.16 (26%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 253183K100
    OEM Plug-Radiator Drain - 253183K100
    Product Specifications
    • Item Dimensions: 8.2 x 8.1 x 6.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Plug-Radiator Drain
    More Info
    $2.52 MSRP: $3.35
    You Save: $0.83 (25%)
  • OEM (Genuine) Valve - Drain

    PartNumber: 21440-3JA0A
    OEM Valve - Drain - 21440-3JA0A
    Product Specifications
    • Other Names: Drain Plug
    • Item Dimensions: 0.9 x 0.6 x 0.6 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Valve - Drain
    More Info
    $70.97 MSRP: $97.37
    You Save: $26.40 (28%)
  • OEM (Genuine) Valve - Drain

    PartNumber: 21440-3JA0A
    OEM Valve - Drain - 21440-3JA0A
    Product Specifications
    • Other Names: Drain Plug
    • Item Dimensions: 0.9 x 0.6 x 0.6 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Valve - Drain
    More Info
    $71.26 MSRP: $97.37
    You Save: $26.11 (27%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 25318-3K100
    OEM Plug-Radiator Drain - 25318-3K100
    Product Specifications
    • Item Dimensions: 8.2 x 8.1 x 6.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Plug-Radiator Drain
    More Info
    $4.14 MSRP: $5.56
    You Save: $1.42 (26%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 253182F000
    OEM Plug-Radiator Drain - 253182F000
    Product Specifications
    • Other Names: Drain Plug
    • Part Description: Plug-Radiator Drain
    $6.85 MSRP: $9.13
    You Save: $2.28 (25%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21440-01G10
    OEM Cock-Water Drain - 21440-01G10
    Product Specifications
    • Item Dimensions: 1.6 x 1.6 x 0.9 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 21440-01G00
    • Part Description: Cock-Water Drain
    More Info
    $10.23 MSRP: $13.97
    You Save: $3.74 (27%)
  • OEM (Genuine) Radiator Assembly Drain Plug

    PartNumber: 90080-34011
    OEM Radiator Assembly Drain Plug - 90080-34011
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Dimensions: 5.7 x 1.8 x 1.2 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Radiator Assembly Drain Plug
    More Info
    $9.20 MSRP: $13.25
    You Save: $4.05 (31%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21440-5V000
    OEM Cock-Water Drain - 21440-5V000
    Product Specifications
    • Item Dimensions: 0.9 x 0.9 x 0.7 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cock-Water Drain
    More Info
    $13.65 MSRP: $18.63
    You Save: $4.98 (27%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21440-50Y00
    OEM Cock-Water Drain - 21440-50Y00
    Product Specifications
    • Item Dimensions: 0.8 x 0.8 x 0.5 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Cock-Water Drain
    More Info
    $10.85 MSRP: $14.75
    You Save: $3.90 (27%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21441-JK20A
    OEM Cock-Water Drain - 21441-JK20A
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 21441-JG00A
    • Part Description: Cock-Water Drain
    More Info
    $11.34 MSRP: $15.48
    You Save: $4.14 (27%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 253181D100
    OEM Plug-Radiator Drain - 253181D100
    Product Specifications
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Plug-Radiator Drain
    More Info
    $7.65 MSRP: $10.20
    You Save: $2.55 (25%)
  • OEM (Genuine) Valve - Drain

    PartNumber: 21440-1PA0A
    OEM Valve - Drain - 21440-1PA0A
    Product Specifications
    • Other Names: Drain Plug
    • Item Dimensions: 1.5 x 0.8 x 0.5 inches
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Valve - Drain
    More Info
    $48.50 MSRP: $66.27
    You Save: $17.77 (27%)
  • OEM (Genuine) Cock, Radiator Drain

    PartNumber: 16417-21280
    OEM Cock, Radiator Drain - 16417-21280
    Product Specifications
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16417-0C180
    • Part Description: Cock, Radiator Drain
    More Info
    $5.57 MSRP: $7.13
    You Save: $1.56 (22%)
  • OEM (Genuine) Cock-Water Drain

    PartNumber: 21441-JK20A
    OEM Cock-Water Drain - 21441-JK20A
    Product Specifications
    • Other Names: Drain Plug, Radiator Assembly Drain Plug
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 21441-JG00A
    • Part Description: Cock-Water Drain
    More Info
    $11.39 MSRP: $15.48
    You Save: $4.09 (27%)
  • OEM (Genuine) Tank Drain Plug

    PartNumber: 16417-15210
    OEM Tank Drain Plug - 16417-15210
    Product Specifications
    • Item Dimensions: 5.3 x 1.6 x 0.2 inches
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Tank Drain Plug
    More Info
    $5.33 MSRP: $7.67
    You Save: $2.34 (31%)
  • OEM (Genuine) Plug-Radiator Drain

    PartNumber: 25318-1D100
    OEM Plug-Radiator Drain - 25318-1D100
    Product Specifications
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Plug-Radiator Drain
    More Info
    $3.92 MSRP: $5.26
    You Save: $1.34 (26%)
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About Radiator Drain Plugs

The radiator durian plug is a little mechanism that is designed to facilitate cooling system maintenance.

Radiator drain plug significance

The radiator drain plug is a vital device to have to drain the coolant. In older vehicles, you had to remove the entire radiator just to drain it. Nowadays, cars are secured with radiator drain plugs that seal the coolant inside and ease the radiator draining process. The plug is a necessary component and must be kept in reasonable condition to maintain the radiator sealed.

Common issues with a faulty radiator drain plug

A defective radiator drain plug can lead to coolant leaks, overheating, or damage to the radiator.