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Mechanical Fuel Pump
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Mechanical Fuel Pump by Airtex (part#41377) / Fuel Pumps

Part No. 41377 Warranty  
$23.49
Quantity  Add Mechanical Fuel Pump To Cart

See if this part fits a specific vehicle.

Check Vehicle Fit

Brand: Airtex
Advance Auto Parts Part#: 5405866
Suitable vehicles: Click to find if this product can be used with your vehicle:
  • Chevrolet
    • K10
      • 1980
        • 1980 Chevrolet K10 (5.7L 350CI V8 Carb VIN: L)
        • 1980 Chevrolet K10 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 Chevrolet K10 (5.0L 305CI V8 Carb VIN: U)
        • 1979 Chevrolet K10 (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet K10 (5.0L 305CI V8 Carb VIN: U)
        • 1978 Chevrolet K10 (5.7L 350CI V8 Carb VIN: L)
    • K20
      • 1980
        • 1980 Chevrolet K20 (5.0L 305CI V8 Carb VIN: G)
        • 1980 Chevrolet K20 (5.7L 350CI V8 Carb VIN: L)
        • 1980 Chevrolet K20 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 Chevrolet K20 (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet K20 (5.0L 305CI V8 Carb VIN: U)
        • 1978 Chevrolet K20 (5.7L 350CI V8 Carb VIN: L)
    • K30
      • 1980
        • 1980 Chevrolet K30 (5.7L 350CI V8 Carb VIN: L)
        • 1980 Chevrolet K30 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 Chevrolet K30 (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet K30 (5.7L 350CI V8 Carb VIN: L)
    • K5 Blazer
      • 1980
        • 1980 Chevrolet K5 Blazer (5.0L 305CI V8 Carb VIN: G)
      • 1979
        • 1979 Chevrolet K5 Blazer (5.0L 305CI V8 Carb VIN: U)
        • 1979 Chevrolet K5 Blazer (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet K5 Blazer (5.0L 305CI V8 Carb VIN: U)
        • 1978 Chevrolet K5 Blazer (5.7L 350CI V8 Carb VIN: L)
    • Suburban K10
      • 1980
        • 1980 Chevrolet Suburban K10 (5.0L 305CI V8 Carb VIN: G)
        • 1980 Chevrolet Suburban K10 (5.7L 350CI V8 Carb VIN: L)
        • 1980 Chevrolet Suburban K10 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 Chevrolet Suburban K10 (5.0L 305CI V8 Carb VIN: U)
        • 1979 Chevrolet Suburban K10 (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet Suburban K10 (5.0L 305CI V8 Carb VIN: U)
        • 1978 Chevrolet Suburban K10 (5.7L 350CI V8 Carb VIN: L)
    • Suburban K20
      • 1980
        • 1980 Chevrolet Suburban K20 (5.7L 350CI V8 Carb VIN: L)
        • 1980 Chevrolet Suburban K20 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 Chevrolet Suburban K20 (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 Chevrolet Suburban K20 (5.0L 305CI V8 Carb VIN: U)
        • 1978 Chevrolet Suburban K20 (5.7L 350CI V8 Carb VIN: L)
  • GMC
    • Jimmy
      • 1979
        • 1979 GMC Jimmy (5.0L 305CI V8 Carb VIN: U)
        • 1979 GMC Jimmy (5.7L 350CI V8 Carb VIN: L)
      • 1978
        • 1978 GMC Jimmy (5.0L 305CI V8 Carb VIN: U)
        • 1978 GMC Jimmy (5.7L 350CI V8 Carb VIN: L)
    • K15
      • 1978
        • 1978 GMC K15 (5.0L 305CI V8 Carb VIN: U)
        • 1978 GMC K15 (5.7L 350CI V8 Carb VIN: L)
    • K1500
      • 1980
        • 1980 GMC K1500 (5.7L 350CI V8 Carb VIN: L)
        • 1980 GMC K1500 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 GMC K1500 (5.0L 305CI V8 Carb VIN: U)
        • 1979 GMC K1500 (5.7L 350CI V8 Carb VIN: L)
    • K25
      • 1978
        • 1978 GMC K25 (5.0L 305CI V8 Carb VIN: U)
        • 1978 GMC K25 (5.7L 350CI V8 Carb VIN: L)
    • K2500
      • 1980
        • 1980 GMC K2500 (5.7L 350CI V8 Carb VIN: L)
        • 1980 GMC K2500 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 GMC K2500 (5.7L 350CI V8 Carb VIN: L)
        • 1979 GMC K2500 (5.7L 350CI V8 Carb VIN: M)
    • K35
      • 1978
        • 1978 GMC K35 (5.7L 350CI V8 Carb VIN: L)
    • K3500
      • 1980
        • 1980 GMC K3500 (5.7L 350CI V8 Carb VIN: L)
        • 1980 GMC K3500 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 GMC K3500 (5.7L 350CI V8 Carb VIN: L)
        • 1979 GMC K3500 (5.7L 350CI V8 Carb VIN: M)
    • Suburban K15
      • 1978
        • 1978 GMC Suburban K15 (5.0L 305CI V8 Carb VIN: U)
        • 1978 GMC Suburban K15 (5.7L 350CI V8 Carb VIN: L)
    • Suburban K1500
      • 1980
        • 1980 GMC Suburban K1500 (5.7L 350CI V8 Carb VIN: L)
        • 1980 GMC Suburban K1500 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 GMC Suburban K1500 (5.0L 305CI V8 Carb VIN: U)
        • 1979 GMC Suburban K1500 (5.7L 350CI V8 Carb VIN: L)
    • Suburban K25
      • 1978
        • 1978 GMC Suburban K25 (5.0L 305CI V8 Carb VIN: U)
        • 1978 GMC Suburban K25 (5.7L 350CI V8 Carb VIN: L)
    • Suburban K2500
      • 1980
        • 1980 GMC Suburban K2500 (5.7L 350CI V8 Carb VIN: L)
        • 1980 GMC Suburban K2500 (5.7L 350CI V8 Carb VIN: M)
      • 1979
        • 1979 GMC Suburban K2500 (5.7L 350CI V8 Carb VIN: L)


Airtex mechanical fuel pumps are the only mechanical fuel pumps manufactured in the USA. These pumps are precision-cast units designed to meet or exceed OEM specifications and are built with enhanced, long-lasting components.

Product Features:
  • Special heat treated rocker arms and case-hardened pins to ensure long-lasting performance
  • Upgraded seals and pump diaphragms for compatibility with modern multi-fuel blends
  • Every single pump is 100% tested throughout the entire manufacturing process for worry free, out-of-the-box performance
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Fuel Type(s):Gas
GPH (Free Flow) Rating:40 gph
Inlet Size(s):3/8 TUBE in
Outlet Size(s):5/8 -18 UNF-2B I.F. in
Pressure Rating:7.5 - 9 PSI
U.S.C.G. Approved:No

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