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Cooling Systems, Fans & Radiators
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7 Products found

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  • $9.96 MSRP: $18.78
    You Save: $8.82 (47%)
    Product Specifications
    • Item Dimensions: 1.3 x 1.0 x 0.6 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25535220
    • Part Description: By-Pass Valve
    More Info
  • Dorman Engine Coolant Bleeder Screws - 902-112
    $12.19
    Product Specifications
    • Color/Finish: Brass
    • Head Type: Hex
    • Length: 1"
    • Material: Brass
    • OE Part Number: 10070107
    • UPC: 019495238782
    • Part Description: Engine Coolant Bleeder Screws
    More Info
  • VAICO Engine Coolant Bleeder Screw - V20-7154
    $1.54
    Product Specifications
    • Length: 10 mm
    • Material: Plastic
    • OE Part Number: 1 712 788, 17 11 1 712 788, 7 793 373, 17 12 7 515 488, 11 53 7 793 373, 7 515 488, 17 11 0 141 325, 0 141 325
    • Outer thread: M 10 x 1 mm
    • Part Description: Engine Coolant Bleeder Screw
    More Info
  • $3.48 MSRP: $4.21
    You Save: $0.73 (18%)
    Product Specifications
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 17-11-0-141-325
    • Part Description: Vent Screw
    More Info
  • Dorman Engine Coolant Bleeder Screw - 902-404HP
    $5.61
    Product Specifications
    • Head Diameter: 0.645"
    • Head Type: Slotted
    • Length: 0.7"
    • Material: Brass
    • OE Part Number: 11537793373, 17111712788
    • Thread Diameter: 0.38"
    • UPC: 889245234216
    • Part Description: Engine Coolant Bleeder Screw
    More Info
  • $5.95 MSRP: $7.21
    You Save: $1.26 (18%)
    Product Specifications
    • Other Names: Bleeder Valve
    • Item Weight: 0.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Screw Plug
    More Info
  • Dorman Engine Coolant Bleeder Screws - 902-404
    $3.05
    Product Specifications
    • Color/Finish: Black
    • Head Type: Slotted
    • Length: 0.7"
    • Material: Polyamide 6.6 With 30% Glass Fiber Fill
    • OE Part Number: 11537793373, 17111712788
    • UPC: 019495366928
    • Part Description: Engine Coolant Bleeder Screws
    More Info

About Coolant Bleeder Screw

The coolant bleeder screw is a mechanism that is utilized to produce a temporary opening in a closed hydraulic system which makes the removal of air easier.

Bleeder screw importance

The bleeder screw is significant to the engine cooling systems, as they can substitute the bolt since they are also threaded into a hole. In other designs, the screw is positioned in the hose which takes you to the peak of the cooling system. Nowadays blood screws are rarely seen on vehicles and are only required when the configuration of an engine cooling system results in areas where air can be confined in the system.

Common issues with a faulty bleeder screw

A faulty bleeder screw can lead to coolant leaking, overheating of the engine, or improper engine idle.