Engines are complex systems with constantly moving parts that must be monitored and maintained for peak performance. That’s why fresh water cooling systems and monitor cooler kits are essential for any serious boat owner. These systems help maintain optimal engine temperatures, preventing overheating and protecting your investment on the water. At Marine Engines, Inc., we are dedicated to helping you keep your engines running safely and efficiently.
Our fresh water cooling systems and kits are among the best available on the market. Each kit includes all the necessary components to ensure a complete installation, and we back every product with a full two-year warranty. This means you can purchase with confidence, knowing your engine cooling system is protected.
We offer a variety of cooling system options to meet different engine configurations and performance needs:
- Full System – Cools engine block, heads, intake manifold, and exhaust manifolds
- Half System – Cools engine block, heads, and intake manifold
- MFH – Front-mounted heat exchanger
- MFV – Front-mounted vertical
- MRM – Remote mounted
All systems are designed to provide reliable performance, durability, and ease of installation. With our deeply discounted delivery prices, we make it convenient and affordable to get the parts you need, whether for routine maintenance or full system upgrades.
Our trained staff is always available to answer questions, provide guidance, and support you throughout the installation process. We strive to offer professional, responsive service tailored to your needs, so you can focus on enjoying your boat.
Upgrade your engine’s cooling system today and ensure worry-free performance. Visit our Holliston warehouse or place your order online to get started.
Fresh Water Cooling Kits
Full System – Cools engine block, heads, intake manifold
and exhaust manifolds
Half System – Cools engine block, heads, and intake manifold
MFH-Front mounted heat exchanger
MFV-Front mounted vertical
MRM-Remote Mounted
Full two year warranty on heat exchanger and kit components.
|
Kit # |
Engine Model |
Engine Type |
System |
2025 Promotional Pricing!! |
|
MFV-5241 |
Volvo Penta /OMC |
Stern Drive and Inboard |
Half |
$1796.25 |
| MRM-5439 | Off-engine Volvo Penta V8 302-351 – Ford BasedMRM-5439 Specifications |
Stern Drive and Inboard |
Half |
$1796.25 |
|
MFH-5057 |
OMC 5 liter Ford V8 |
Stern Drive Only |
Half |
$1571.25 |
|
MFH-5398 |
Standard Mercruiser |
Stern Drive and Inboard |
Half |
$1421.25 |
|
MFH-5229 |
Premium Mercruiser & Marine Power V6-V8 262-205-350MFH-5229 Specifications |
Stern Drive and Inboard |
Half |
$1496.25 |
|
MFH-5433 |
Standard Mercruiser V6/V8 262-305-350MFH-5443 Specifications |
Stern Drive and Inboard |
Half |
$1721.25 |
|
MFH-5406 |
Hi-Performance Chevy Small Block V8MFH-5406 Specifications |
Stern Drive and Inboard |
Half |
$1496.25 |
|
MFH-5399 |
Standard Mercruiser |
Stern Drive and Inboard |
Full |
$1571.25 |
| MFH-5230 | Premium Mercruiser V6/V8 262-305-350 V-Belt – High Performance Conventional ExhaustMFH-5230 Specifications |
Stern Drive and Inboard |
Full |
$1721.25 |
|
MFH-5320-A |
Premium Mercruiser V6/V8 |
Stern Drive and Inboard |
Full |
$1871.25 |
|
MFH-5320-B |
Premium Mercruiser V6-V8 |
Stern Drive and Inboard |
Full |
$1998.75 |
| MFH-4949 | MerCruiser V8 454-502 Carb. Only V-BeltMFH-4949 Specifications |
Stern Drive, Inboard, |
Half |
$1931.25 |
| MFH-5403 | Hi-Performance Chevy Big Block V8MFH-5403 Specifications |
Stern Drive and Inboard |
Half |
$2238.75 |
| MFH-5374 | Premium Mercruiser V8 454-502MFH-5374 Specifications |
Stern Drive, Inboard, |
Full |
$2238.75 |
| MFH-5321 | Hi-Performance 500-700 HP Off Engine KitMRM-5321-5322 Specifications |
Stern Drive, Inboard, |
Half |
$2546.25 |
| MFH-5322 | Hi-Performance 700-900 HP Off Engine KitMRM-5321-5322 Specifications |
Stern Drive, Inboard, |
Half |
$2546.25 |
|
MFH-5344 |
Mercruiser 4 Cylinder |
Stern Drive and Inboard |
Half |
CALL |
|
MRM-5345 |
Chevy 4 Cylinder 3 Liter |
Stern Drive and Inboard |
Half |
CALL |