

Volvo Penta Impellers – OEM vs Aftermarket Comparison
Wondering whether to stick with a branded Volvo Penta impeller or go with the original Johnson version—or even a cheaper aftermarket option? This guide covers what’s really behind the label, what to watch out for, and which impeller makes the best choice.
????️ Who Actually Makes Volvo Penta Impellers?
The truth is, Johnson Pump manufactures many of the impellers sold by Volvo Penta. That means when you buy a Volvo-branded impeller, you’re often just paying for packaging — the part inside is the same.
???? OEM vs Aftermarket vs Rebranded
Feature | Johnson (OEM) | Volvo Penta | Aftermarket |
---|---|---|---|
Build Quality | OEM-grade | Same (reboxed) | Varies |
Price | ???? Lower | ???????? Higher | ???? Cheapest |
Fitment | Exact | Exact | Hit or miss |
Looking for a reliable impeller at a better price? Johnson impellers offer the same quality as Volvo — often at 30–40% less.
⚠️ What to Avoid with Aftermarket Brands
- Inferior rubber compound (leads to early wear)
- Imprecise molding (causes fit issues)
- Missing brass inserts or incorrect spline profile
???? Shop All Johnson Impellers – OEM Quality, Better Value

Browse our full selection of genuine Johnson impellers – the original OEM manufacturer behind most Volvo Penta impellers.
Related posts
Vetus Engine Service: Complete Guide to Maintenance, Parts & Kits
Vetus Engine Service: Complete Guide to Maintenance, Parts & Kits
Servicing your Vetus engine is essential for keeping your boat...
When to Replace Engine Mounts | Ellebogen Engine Mounts for Marine Engines
When to Replace Engine Mounts — Ellebogen Marine Engine Mounts Guide
When to replace engine mounts is one of the most common question...
Winterize Your Boat | Service Parts for Vetus, Volvo Penta, Nanni & Yanmar
Winterize Your Boat with Service Parts for Vetus, Volvo Penta, Nanni and Yanmar
When the boating season ends and temperatures begin t...
Complete Yanmar 2GM20 & 3GM30 Gasket Kits
Complete Yanmar 2GM20 & 3GM30 Gasket Kits
Keep your Yanmar 2GM20 and 3GM30 engines running smoothly with aftermarket gasket kits ...
Volvo Penta MD Series Maintenance Guide – MD2010, MD2020, MD2030, MD2040
Volvo Penta MD Series Maintenance Guide – MD2010, MD2020, MD2030, MD2040
Volvo Penta’s MD-series marine diesel engines are w...
Maintaining Your Volvo Penta D1 Series: A Complete Guide
Volvo Penta D1 Series Maintenance Guide – D1-13 / D1-20 / D1-30
The Volvo Penta D1 Series marine diesel engines (D1-13, D1-20, D1-30) a...
Volvo Penta MDI Unit (23231607): The Complete Guide for D1 & D2 Engine Owners
Genuine MDI Unit – Volvo Penta 23231607 (Replaces 22594274, 21558939, 21511215, 21261871)
Genuine Volvo Penta MDI Unit (232...
Johnson vs. Volvo Penta Impellers: What You Need to Know
Johnson vs Volvo Penta Impellers – What’s Really Inside the Box?
Volvo Penta Impellers – OEM vs Aftermarket Comparison
Wond...
Overhaul your Volvo Penta pump 829895, Johnson F4B
???? Instructional Video
For a step-by-step visual guide on rebuilding a Volvo Penta water pump, watch the video below:
...
Maintaining Your Volvo Penta MD6 / MD7: A Complete Guide
The Volvo Penta MD6 and MD7 marine diesel engines are well-known for their durability and reliability. However, like any marine engine,...
Why Use Volvo Penta VDS-4.5 Engine Oil for Your Volvo Penta Engine?
Keep your Volvo Penta engine in top shape with the right oil.
Introduction
Picking the right engine oil is crucial for keeping your ...
How to change your transmission oil in an Inboard engine
See our transmission oils
Introduction
Keeping your inboard engine’s transmission oil fresh is vital for smooth performance and avoidin...