---
title: "volvo penta raw water pump — Niche Verdict: Worth a look (53/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/volvo-penta-raw-water-pump"
last_updated: "2026-07-14T03:00:34.255Z"
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meta:
  description: "volvo penta raw water pump shows demand growing +225.0% this quarter, but a small market ($29K/yr) keeps it on the watch list."
  "og:description": "volvo penta raw water pump shows demand growing +225.0% this quarter, but a small market ($29K/yr) keeps it on the watch list."
  "og:title": "volvo penta raw water pump — Niche Verdict: Worth a look (53/100) | Amazon United States - Flapen"
---

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# **volvo penta raw water pump**

**Worth a look**

Shows demand growing +225.0% this quarter, but a small market ($29K/yr) keeps it on the watch list.

Market size 7Growth 98Conversion 37Competition 54Returns 32Price range 20Avg price 75Brand share 43Review moat 98Quality gap 80

**Growth**

**Incredible****+225.0%**

90-day search growth — must beat 0% to launch

**Review moat**

**Incredible****32.54**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Great****$99.10**

avg listing price — sweet spot $15–$100

**Competition**

**Good****52%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Okay****79%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Okay****2.9%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Okay****5.2%**

return rate — above 6% kills the launch gate

**Price range**

**Bad****$19.89–$412.50**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Bad****$29K**

$29K/yr · 10K searches

## **Competition**

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**14 **▲rising

**Sellers**

**18**

**Top-5 brand share**

**79%**

**Open market**

**17%**

- AULINK45% - YRANZO16% - TAUTOY8% - Waricaca5% - JomGorg5% - ComTrekium4% - Open — no brand owns it (8 brands, 17%)

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$1K8%$2K12%$4K16%$5K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 26 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![AULINK 21212799 (NSK Bearing) Raw Sea Water Pump For Volvo Penta 4.3L 5.0L 5.7L V8 V6 GXI GL Replace 3812519 Crankshaft Mounted Sea Water Pump](https://m.media-amazon.com/images/I/41XYpLYVy7L.jpg)**AULINK 21212799 (NSK Bearing) Raw Sea Water Pump For Volvo Penta 4.3L 5.0L 5.7L V8 V6 GXI GL Replace 3812519 Crankshaft Mounted Sea Water Pump**AULINK**$80.85**3.6★14 rev](https://www.amazon.com/dp/B0CNLXKBBC) [2![AULINK 21214596 3862487 3858229 3812697 (Original Impeller NSK Bearing) Raw Sea Water Pump With Double V Belt Pulley For Volvo Penta 4.3L 5.0L 5.7L V6 V8](https://m.media-amazon.com/images/I/41owB5fB-OL.jpg)**AULINK 21214596 3862487 3858229 3812697 (Original Impeller NSK Bearing) Raw Sea Water Pump With Double V Belt Pulley For Volvo Penta 4.3L 5.0L 5.7L V6 V8**AULINK**$80.37**3.8★14 rev](https://www.amazon.com/dp/B0D9KCT3RQ) [3![21214599 5.7 Crank Mounted Sea Water Pump for Volvo Penta Engines 4.3 5.0 5.7 Replaces 21214599 3862482 3812693 with Serpentine Belt Pulley](https://m.media-amazon.com/images/I/31jnFdVc56L.jpg)**21214599 5.7 Crank Mounted Sea Water Pump for Volvo Penta Engines 4.3 5.0 5.7 Replaces 21214599 3862482 3812693 with Serpentine Belt Pulley**YRANZO**$89.55**3.7★193 rev](https://www.amazon.com/dp/B08SBJVH16) [4![AULINK Raw Sea Water Pump 21214599 (NSK Bearing) Serpentine Belt Pulley OE Replacement For Volvo Penta 4.3L 5.0L 5.7L V6 V8 GL GXI 3862482 3812693](https://m.media-amazon.com/images/I/41LiqpVhsHL.jpg)**AULINK Raw Sea Water Pump 21214599 (NSK Bearing) Serpentine Belt Pulley OE Replacement For Volvo Penta 4.3L 5.0L 5.7L V6 V8 GL GXI 3862482 3812693**AULINK**$78.38**4.2★16 rev](https://www.amazon.com/dp/B0CRT5L8WN) [5![21214596 Sea Water Pump 5.7 Crank Mounted Sea Water Pump for Volvo Penta 4.3 5.0 5.7 Replace 21214596 3858229 with Double-V Belt Pulley](https://m.media-amazon.com/images/I/414O24hvSkL.jpg)**21214596 Sea Water Pump 5.7 Crank Mounted Sea Water Pump for Volvo Penta 4.3 5.0 5.7 Replace 21214596 3858229 with Double-V Belt Pulley**JomGorg**$82.39**4.4★23 rev](https://www.amazon.com/dp/B09B1ZQT9W)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![ComTrekium 21214596 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862487 3858229 3812697 Complete Crankshaft Mounted Pump with Double-V Belt Pulley Assembly](https://m.media-amazon.com/images/I/31yMbdOi9GL.jpg)**ComTrekium 21214596 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862487 3858229 3812697 Complete Crankshaft Mounted Pump with Double-V Belt Pulley Assembly**ComTrekium**$76.85**3 rev5mo ago](https://www.amazon.com/dp/B0GH6BHMGS) [![ComTrekium 21214599 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862482 3812693 - Complete Crankshaft Mounted Sea Pump with Serpentine Belt Pulley Assembly](https://m.media-amazon.com/images/I/31tx-Ipz-vL.jpg)**ComTrekium 21214599 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862482 3812693 - Complete Crankshaft Mounted Sea Pump with Serpentine Belt Pulley Assembly**ComTrekium**$79.39**3 rev5mo ago](https://www.amazon.com/dp/B0GH6RRJSH) [![21212799 Upgraded Raw Sea Water Pump Compatible with Volvo Penta 4.3L/5.0L/5.7L V6/V8 Series Replace 21212799 3812519 Crankshaft Mounted Sea Pump](https://m.media-amazon.com/images/I/41IH28l7ROL.jpg)**21212799 Upgraded Raw Sea Water Pump Compatible with Volvo Penta 4.3L/5.0L/5.7L V6/V8 Series Replace 21212799 3812519 Crankshaft Mounted Sea Pump**EZAPEX**$74.65**2 rev8mo ago](https://www.amazon.com/dp/B0FVXBCVRL) [![3853850 Sea Water Pump for MerCruiser 4.3L 5.0L 5.7L GM V6 V8](https://m.media-amazon.com/images/I/41eTNovD46L.jpg)**3853850 Sea Water Pump for MerCruiser 4.3L 5.0L 5.7L GM V6 V8**UANOFCN**$75.15**9 rev1y ago](https://www.amazon.com/dp/B0DTNZ3VSJ) [![Sea Water Pump 3855778 Fits for Volvo Penta OMC 1994 1995 1996 4.3L 5.0L 5.7L 5.8L 7.4L 8.2L V6 V8 Engines Replace 3852398 3851623](https://m.media-amazon.com/images/I/31jERp75BcL.jpg)**Sea Water Pump 3855778 Fits for Volvo Penta OMC 1994 1995 1996 4.3L 5.0L 5.7L 5.8L 7.4L 8.2L V6 V8 Engines Replace 3852398 3851623**BLPextrm**$147.09**4 rev1y ago](https://www.amazon.com/dp/B0DKPFND86)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ComTrekium 21214596 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862487 3858229 3812697 Complete Crankshaft Mounted Pump with Double-V Belt Pulley Assembly](https://m.media-amazon.com/images/I/31yMbdOi9GL.jpg)**ComTrekium 21214596 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862487 3858229 3812697 Complete Crankshaft Mounted Pump with Double-V Belt Pulley Assembly**ComTrekium**$76.85**4.6★**▲ 106%**](https://www.amazon.com/dp/B0GH6BHMGS) [![ComTrekium 21214599 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862482 3812693 - Complete Crankshaft Mounted Sea Pump with Serpentine Belt Pulley Assembly](https://m.media-amazon.com/images/I/31tx-Ipz-vL.jpg)**ComTrekium 21214599 Raw Sea Water Pump for Volvo Penta 4.3L 5.0L 5.7L V6/V8 Engines Replace Compatible with 3862482 3812693 - Complete Crankshaft Mounted Sea Pump with Serpentine Belt Pulley Assembly**ComTrekium**$79.39**4.6★**▲ 106%**](https://www.amazon.com/dp/B0GH6RRJSH) [![3853850 Sea Water Pump for MerCruiser 4.3L 5.0L 5.7L GM V6 V8](https://m.media-amazon.com/images/I/41eTNovD46L.jpg)**3853850 Sea Water Pump for MerCruiser 4.3L 5.0L 5.7L GM V6 V8**UANOFCN**$75.15**4.7★**▲ 84%**](https://www.amazon.com/dp/B0DTNZ3VSJ) [![21212799 Upgraded Raw Sea Water Pump Compatible with Volvo Penta 4.3L/5.0L/5.7L V6/V8 Series Replace 21212799 3812519 Crankshaft Mounted Sea Pump](https://m.media-amazon.com/images/I/41IH28l7ROL.jpg)**21212799 Upgraded Raw Sea Water Pump Compatible with Volvo Penta 4.3L/5.0L/5.7L V6/V8 Series Replace 21212799 3812519 Crankshaft Mounted Sea Pump**EZAPEX**$74.65**5.0★**▲ 68%**](https://www.amazon.com/dp/B0FVXBCVRL) [![3857794 Raw Sea Water Pump with 4.5 Pulley Replacement for Volvo Penta 3.0GS 4.3GI 5.7GI 7.4GI 8.2GSI 1995-1999 3851982 3855079 3852399 3851700](https://m.media-amazon.com/images/I/414NoapQxJL.jpg)**3857794 Raw Sea Water Pump with 4.5 Pulley Replacement for Volvo Penta 3.0GS 4.3GI 5.7GI 7.4GI 8.2GSI 1995-1999 3851982 3855079 3852399 3851700**Generic**$99.15**5.0★**▲ 44%**](https://www.amazon.com/dp/B0D9JMCQJ6)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +225.0% search growth over the last 90 days.

500300Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 7.1×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**25%

*“The build quality seems good”*

**Size-Overall**15%

*“Fits Volvo Penta Chevy 350. 5.7l”*

**Value For Money**11%

*“this is an outstanding value”*

**Leak-Proof**8%

*“it doesn't leak”*

**Assembly/Installation**8%

*“Easy to put in”*

**Advertised Vs Actual Product**7%

*“Works as advertised”*

**Pressure**4%

*“A very nice looking sea pump for cooling a V-P engine”*

**Efficiency**4%

*“it is working great”*

**Design-Overall**4%

*“First thing I noticed is that it appeared to be well built”*

**Ease Of Use**3%

*“Usable”*

### **What buyers complain about **

**Leak-Proof**21%

*“does not fit without leaking”*

**Size-Overall**13%

*“This shaft is a totally different size”*

**Durability**11%

*“Put on and broke when motor started”*

**Quality-Overall**11%

*“Dont buy, bad machining”*

**Sharpness**6%

*“the big issue is the pulley groves are razor sharp”*

**Assembly/Installation**3%

*“Took me a bit to figure out the installation”*

**Defective Material/Parts**3%

*“The gasket was compromised”*

**Value For Money**3%

*“So I lost $25”*

**Mounting**3%

*“Wrong mounting hole diameter”*

**Heating**3%

*“The engine then proceeded to overheat”*

### **Top return reasons **

**Size-Overall**35%

**Functionality-Overall**12%

**Compatibility-Overall**11%

**Defective Material/Parts**11%

**Leak-Proof**7%

**Mounting**7%

**Advertised Vs Actual Product**3%

**Assembly/Installation**3%

**Value For Money**2%

**Add-Ons/Attachments**2%