Sierra 18-71337 12-3/4" Circulating Pump Molded Hose

Sierra 12 3/4" Circulating Pump Molded Hose

• Length: 12 3/4" 
• ID: 1 3/4" 
• For: 4.3L, 5.0L, 5.7L

Replaces:

• Mallory
• 9-44052, 9-44053
• Mercury
• 32-33189, 32-806825, 32-861590A05
• OMC Inboard & Stern Drive
• 0312781
• Redline
• RL71337
• Sierra
• 18-70944

Frequently Asked Questions

What is the Sierra 12 3/4" Circulating Pump Molded Hose used for?

The Sierra 12 3/4" Circulating Pump Molded Hose is a replacement hose for the listed 4.3L, 5.0L, and 5.7L applications. It has a 12 3/4-inch length and a 1 3/4-inch inside diameter. Verify your existing hose and engine application before ordering to confirm compatibility.

What are the dimensions of the Sierra Circulating Pump Molded Hose?

The Sierra Circulating Pump Molded Hose measures 12 3/4 inches in length and has a 1 3/4-inch inside diameter. These dimensions can be compared with your existing hose when checking whether this replacement matches your application.

Which engines is the Sierra 12 3/4" Circulating Pump Molded Hose for?

The supplied description lists the Sierra 12 3/4" Circulating Pump Molded Hose for 4.3L, 5.0L, and 5.7L engines. No specific model years or serial-number ranges are provided, so confirm your engine application and existing hose part number before ordering.

What part numbers does the Sierra Circulating Pump Molded Hose replace?

The hose replaces Mallory 9-44052 and 9-44053; Mercury 32-33189, 32-806825, and 32-861590A05; OMC Inboard & Stern Drive 0312781; Redline RL71337; and Sierra 18-70944. Comparing the existing part number with these listed replacements can help verify the correct hose.

How can I verify that this Sierra molded hose is the correct replacement?

Check your engine application, existing hose dimensions, and part number against the supplied specifications. This hose is listed for 4.3L, 5.0L, and 5.7L engines and measures 12 3/4 inches long with a 1 3/4-inch inside diameter. Confirming these details before ordering helps verify compatibility.

California Residents: WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov