SKU: 90392490159

32-87108 Hose W/2 Fixed Flange Hoop for Mercruiser GM OMC 4.3L 5.0L 5.7L | JLM Marine

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Description

32-87108 Hose W/2 Fixed Flange Hoop for Mercruiser GM OMC 4.3L 5.0L 5.7L | JLM MarineCirculation Pump Hose with Fixed Flange Hoop Fits Mercruiser, GM, OMC 4. 3L, 5. 0L, 5. 7L Engines This circulation pump hose assembly is designed for use with Mercruiser, GM, and OMC marine engines, specifically the 4. 3L, 5. 0L, and 5. 7L powerplants. Engineered to deliver reliable coolant flow and withstand harsh marine environments, this hose features two fixed flange hoops for secure, leak free installation. This part serves as a direct

Circulation Pump Hose with Fixed Flange Hoop – Fits Mercruiser, GM, OMC 4.3L, 5.0L, 5.7L Engines

This circulation pump hose assembly is designed for use with Mercruiser, GM, and OMC marine engines, specifically the 4.3L, 5.0L, and 5.7L powerplants. Engineered to deliver reliable coolant flow and withstand harsh marine environments, this hose features two fixed flange hoops for secure, leak-free installation.

This part serves as a direct replacement for OEM part number 32-87108 (also referenced as 18-71337 in aftermarket listings), ensuring compatibility with factory mounting points and connections.

  • Dimensions: 1-3/4" inner diameter, 12-3/4" tall for precise fitment
  • Application: Circulation pump routing on specified V6 and V8 inboard/sterndrive engines
  • Complete Assembly: Includes hose clamps as shown for ready installation

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands:

Brand Part Number
OEM (Mercruiser) 32-87108
Aftermarket 18-71337

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Engine Displacement
Mercruiser 4.3L, 5.0L, 5.7L
GM 4.3L, 5.0L, 5.7L
OMC 4.3L, 5.0L, 5.7L

Technical Specifications

Specification Value
Part Type Circulation Pump Hose
Inner Diameter 1-3/4"
Overall Height 12-3/4"
Flange Type 2 Fixed Flange Hoops
OEM Part Number 32-87108

Package Contents

  • 1 × Circulation Pump Hose with Fixed Flange Hoops
  • Hose Clamps Assembly (as pictured)

Installation Guide

  1. Drain the cooling system: Open the drain plugs and allow coolant to empty into a suitable container.
  2. Remove old hose: Loosen existing hose clamps and carefully slide the worn hose off the pump and engine connections.
  3. Inspect mating surfaces: Clean any debris or old gasket material from the flange mounting points.
  4. Position new hose: Align the fixed flange hoops with the mounting holes on the circulation pump and engine block.
  5. Install hose clamps: Slide the supplied clamps onto both ends of the hose before final seating.
  6. Secure connections: Tighten clamps evenly to manufacturer torque specifications to prevent leaks.
  7. Refill coolant: Use fresh marine-grade antifreeze/coolant mixture per your engine manual.
  8. Bleed air from system: Run the engine briefly with the cap off (following OEM procedure) to purge trapped air.
  9. Inspect for leaks: Check all connections under operating temperature and pressure. Retighten clamps if necessary.

Troubleshooting & FAQ

Q: How do I confirm this hose fits my specific engine model?
A: Verify that your engine is a Mercruiser, GM, or OMC 4.3L, 5.0L, or 5.7L and that your original hose matches the 1-3/4" ID and 12-3/4" tall dimensions. Cross-check the OEM part number 32-87108 against your engine's parts diagram.

Q: Will this hose work if my engine uses a different coolant routing configuration?
A: This hose is engineered for the standard circulation-pump configuration on the listed engines. If your setup has been modified or uses an aftermarket pump, confirm mounting-flange spacing before ordering.

Q: How often should I replace this circulation hose?
A: Inspect hoses annually for cracks, soft spots, or swelling. Replace every 3–5 years or sooner if you notice coolant seepage, reduced flow, or visible deterioration.

Q: What are the signs that this hose is failing?
A: Common indicators include coolant leaks around the flanges, engine overheating, visible cracking or bulging of the rubber, and loss of coolant level without external drips.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is an aftermarket replacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90392490159

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4.2 ★★★★★
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NLB
Belleville, US
★★★★★ 5
Interesting
Format: Kindle
So I will say I enjoyed the story, for sure had its moments where it dragged but it was a great story. I really liked that omegas picked their alphas/make the pack. Normally the Alphas make it and the omega fits in with them which is great but I enjoyed this new version where all the power basically went to the omega. It was a nice change of pace. I can admit some of the weird bedroom stuff with her being pregnant was odd, it’s really not hard to do stuff when pregnant (I know I’ve had two and it’s normal and even encouraged at the end especially if you want the baby out). But I like the story as a whole and will read the second, I do hope the next one isn’t dragged bc it stopped being action or tense after she met her alphas and I don’t think it was brought up or properly done when they tried to do it. More sweet after she left.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2024
A
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Altairjones
Massapequa, US
★★★★★ 3
I’m a little disappointed.
Format: Kindle
I usually like Jillian West’s books but this one was missing a lot for me. The pregnancy didn’t come across as real. She’s on her feet for 12 hour days but is perfectly healthy at 8 months pregnant? Yet the week she moves in all of a sudden she’s not? She is planning on actually running during one of the plot buildups. But at 8 months pregnant that’s incredibly hard to do. The lack of breathing ability and lung space, the change in body center, mass, and gravity. All of it prohibits running, unless you’re an athlete this didn’t come off as at all realistic. I didn’t feel any connection with the alphas. There wasn’t any emotional connection. It could be because of the tense it was written in. But I didn’t get any deep feelings out of this. It came across as checking off boxes. Even the spicy scenes weren’t really believable for me. I wanted to see them fall for her, and it just kind of all fizzled. Even Bishop. One thing I did really like was the ending. I did not see it coming and I’m interested in reading book two because of it. But on the whole this book was mostly disappointing for me.
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Reviewed in the United States on March 16, 2024
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Melissa Williams
Cuba, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
A
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Austin & Cambria
Chelsea, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me. I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
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Reviewed in the United States on February 21, 2025
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Sarah A
Natrona Heights, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025

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