My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-70934 Molded Circulating Pump Hose for MerCruiser V-8

Manufacturer

Picture for manufacturer Sierra

Part Number

118-70934
8 reviews
Sale Price

$40.62

2 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 118-70934 is a precision-molded circulating pump hose designed for MerCruiser and Mercury Inboard/Sterndrive (MIE) GM V-8 engines. This white molded hose connects the circulating pump to the thermostat housing, ensuring proper coolant flow in high-performance marine engines.

Key Specifications:

  • Overall Length: 14 inches
  • Inside Diameter: 1-3/4 inches
  • Color: White
  • Application: Circulating pump to thermostat housing connection

Compatible Engines:

  • MerCruiser/MIE GM V-8 427 CID engines
  • MerCruiser/MIE GM V-8 454 CID (7.4L) engines
  • MerCruiser/MIE GM V-8 502 CID engines

OEM Cross-References:

  • Mallory: 9-44051
  • MerCruiser: 32-46828, 32-16010, 32-89718, 32-897181

Sierra marine engine parts are manufactured to meet or exceed OEM specifications, providing reliable performance and proper fit for your cooling system. This molded hose is constructed from durable materials designed to withstand the harsh marine environment, including resistance to heat, saltwater, and engine chemicals.

So far - So good. Waiting fot delivery

Excellent service! Fast shipping and a great price. I couldn't be happier!

Very smooth transaction, good email communication, order arrived as expected

You had the item I needed and at a very favorable price compared to other marine retailers I had used in the past. Finally shipping was excellent !! Thank you!

Quality parts at a reasonable price Bang !

Items arrived as requested. No issues.

I placed the order online with no problem, and I received my order a couple of days later. Item was as described and the price was competitive with other vendors.

Easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy