Gates 21892 Radiator Coolant Hose

Part Number
Premium Molded Coolant Hose

Fits: 81-82 Mack DM, 84-86 Mack DM, 84 Mack DMC, 85-89 Mack MH

Special Price $46.74 Regular Price $54.99
In stock
Only 1 left
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Estimated Ship Date: 1 Business Day or Less

Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

  • Recommend for upper, lower, by-pass, heater and other coolant hose applications.
  • Heat and ozone resistant cover.
  • Engineered to resist electrochemical degradation - the leading cause of hose failure.
  • Re-engineered materials resist vacuum collapse. This reduces the need for internal springs in many applications.
  • Meets SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications.

Temperature Rating: -40° F to 275° F (-40° C to 135° C) in coolant hose applications.

Note: Gates recommends replacing standard worm drive and spring loaded clamps with Gates PowerGrip(R) SB Clamps each time a new coolant hose is installed.

Gates - Driven By Possibility

BRAND: Gates


  • Molded Coolant Hose
  • Premium Molded Coolant Hose
  • Premium Molded Coolant Hose
  • 1989-1984 Mack, MH Series, Mack V-8 16.0 L Diesel, Lower


Branch Quantity0
Centerline Length368
Centerline Length14.5
Contains SpringYes
End 1 Inside Diameter3.5
End 1 Inside Diameter89
End 2 Inside Diameter3.5
End 2 Inside Diameter89
Modular HoseNo
Number of Quick Connect Fittings0

Cut to fit



  • Goodyear: 66733
  • Mack: 11MF3574M3
  • NAPA Belts/Hose: 8582
  • Caterpillar: 1069858
  • ACDelco: 20252S
  • Carquest: 21892
  • Clarke Div: 12611515


  • 1985-1989 Mack MH - Position: Lower
  • 1984-1984 Mack DMC - Position: Lower
  • 1984-1986 Mack DM - Position: Lower
  • 1981-1982 Mack DM - Position: Lower
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