Four Seasons A/C Refrigerant Suction Hose 56078
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Four Seasons A/C Refrigerant Suction Hose 56078
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Four Seasons A/C Refrigerant Suction Hose P/N:56078

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$154.99
MPN: 56078
Item Package Quantity: 1
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Four Seasons A/C Refrigerant Suction Hose P/N:56078
Four Seasons A/C Refrigerant Suction Hose P/N:56078
$154.99

Keep refrigerant moving on the low-pressure side of your A/C system with the Four Seasons A/C Refrigerant Suction Hose 56078. This suction line hose assembly carries low-pressure refrigerant vapor from the evaporator back to the compressor, and it installs as a direct-fit replacement for the 2003-2006 Chevrolet Silverado 3500 and GMC Sierra 3500 [V8-6.6L], the 2005-2006 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD [V8-6.6L], and the 2007 Chevrolet Silverado 3500 Classic and GMC Sierra 3500 Classic [V8-6.6L]. If a leaking, chafed, or restricted original suction line is your problem, this is the mechanical replacement.

  • Double-wall barrier hose: compatible with R-1234YF, R-134A or R-12.
  • Seals included: ships with gaskets/O-rings, including two 24404 Slim Line Sealing Washers.
  • Crimp fitting connection: P-Nut fittings at both ends.
  • Application-specific design: aluminum and rubber construction, cataloged as an R-134A suction line.

Supplied without a bracket, without a muffler, and without a service port. Sold as one assembly; one is used per listed application.

Interchange: Manufacturer part number 56078.

This part cross-references / interchanges with the following part numbers:

1532461, 201217, T56078, 785458, 56078, 15190548, 15762496, 700160, A06078, HA112828C

Frequently Asked Questions

What does this suction hose do?

It carries low-pressure refrigerant vapor from the evaporator back to the A/C compressor. If a leaking, chafed, or restricted original suction line is the cause of poor cooling, this replaces it.

Which vehicles does the 56078 fit?

It fits the 2003-2006 Chevrolet Silverado 3500 and GMC Sierra 3500, the 2005-2006 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, and the 2007 Chevrolet Silverado 3500 Classic and GMC Sierra 3500 Classic, all V8-6.6L.

Does it come with seals?

Yes. It includes the gaskets, O-rings, or seals needed for installation, including two 24404 Slim Line Sealing Washers.

Does it include a bracket, muffler, or service port?

No. This assembly ships without a bracket, without a muffler, and without a service port.

What refrigerant is this hose for?

It is cataloged as an R-134A suction line, and the double-wall barrier hose is compatible with R-1234YF, R-134A or R-12.

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