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1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor

1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor
1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor1972-81 Buick, Pontiac, Fitting, Heater Hose to Cylinder Head, O-Ring Style Restrictor
$31.99 ea
NEWARRIVING SOONEstimated Ship Date 04/28/2026 (If Ordered Today)603 Available from our supplier as of 04/09/2026
Model: 3445077
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Reproduction of the original heater hose to cylinder head fitting designed for various 1972-81 Pontiac models. Fitting presses into the rear of the passenger side cylinder head and features a tapered edge for more convenient installation. This fitting is the later style 2nd design manufactured in stamped steel that uses a rubber-o-ring restrictor unlike the earlier variable spring-type restrictor used on 1967-71 models. Replaces OE part number # 499744.

Buick Applications:

  • 1978-1978 Buick Electra w/403 engine
  • 1978-1978 Buick Estate Wagon w/403 engine
  • 1978-1978 Buick Lesabre w/403 engine
  • 1978-1978 Buick Riviera w/403 engine

    • Pontiac Applications:

    • 1976-1979 Pontiac Bonneville
    • 1976-1979 Pontiac Catalina
    • 1972-1979 Pontiac Firebird (except 77-79 with 301)
    • 1976-1977 Pontiac Grand Prix
    • 1976-1977 Pontiac Lemans

      • Vehicle Fitment:

      The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
      Make Model Years
      Buick Electra 1978
      Buick Estate Wagon 1978
      Buick LeSabre 1978
      Buick Riviera 1978
      Pontiac Bonneville 1972 - 1981
      Pontiac Catalina 1972 - 1981
      Pontiac Firebird 1972 - 1981
      Pontiac GTO 1973
      Pontiac Grand Am 1973 - 1980
      Pontiac Grand LeMans 1975 - 1981
      Pontiac Grand Prix 1972 - 1981
      Pontiac Grandville 1972 - 1975
      Pontiac LeMans 1972 - 1981
      Pontiac Parisienne 1973
      Pontiac Phoenix 1977 - 1981
      Pontiac Ventura 1972 - 1977

      Specifications:

      Height 2 in
      Length 1 in
      Weight 0.25 lbs
      Width 2 in

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