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Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra
Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra

Water Pump Marine Circulating #850454R1 for GM 7.4/8.2L 454 502 Sierra

$174.89 - $174.89
$174.89
$174.89 - $174.89
$174.89

Product Overview

This aftermarket replacement circulating water pump cross-references part number 850454R1 and is supplied for GM 7.4L and 8.2L 454 and 502 engine applications, with Sierra listed as a reference. A circulating water pump moves coolant through the engine cooling system to support normal temperature regulation. It is intended for use where the corresponding pump requires replacement.

Key Features & Performance

  • Circulates coolant through the engine cooling system as part of the normal cooling process
  • Cross-references part number 850454R1 as supplied in the title
  • Supplied for GM 7.4L and 8.2L 454 and 502 engine applications
  • Sierra is referenced in the title
  • Intended for replacement of the corresponding circulating water pump

Fitment & Compatibility

  • for GM 7.4L engine applications
  • for GM 8.2L engine applications
  • for GM 454 engine applications
  • for GM 502 engine applications

Common Uses

  • Replacing a leaking, noisy, or seized circulating water pump
  • Servicing the engine cooling system during routine maintenance
  • Restoring coolant circulation after the original pump has failed

Technical Specifications

  • Product Type: Circulating Water Pump
  • Part Number(s): 850454R1
  • Reference Number(s): Sierra
  • Engine Application(s): GM 7.4L, 8.2L; 454, 502
  • General Application: Marine engine cooling system

Frequently Asked Questions

Q: What does a circulating water pump do? A: It moves coolant through the engine cooling system so heat can be carried away and normal temperature regulation is supported.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete engine model designation with the information listed before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.

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