Monitor Products

CONVERSION KIT FITS

1999 or earlier GM (Chevy) based V6/V8 engines lacking power steering or with power steering pump mounted low on port side of engine.

SPACE REQUIREMENT

System mounts vertically on front starboard side of engine. Fits within overall height, width and length of engine. Expansion tank 9″ wide, 9″ high, 5″ deep mounts separately on vertical surface next to engine. In case of unforeseen installation space problems kit may be returned within 30 days for full credit.

COOLING SYSTEM TYPE

Block only. Engine block on fresh water system. Exhaust manifolds remain on raw water system.

CONVERSION KIT

Kit includes heat exchanger, heavy-duty translucent plastic expansion tank plus all other components necessary to complete conversion. Some components from engine are reused. Heat Exchanger and Brackets are finished in black. Hose clamps all stainless steel.

HEAT EXCHANGER

Shell and tube type. Specifically designed for the low cooling water flows, characteristic of sterndrive engines. All copper alloy construction made to the highest industry standards. Heavy-duty dual demountable clean out end covers. Zinc anode protection.

COOLING SYSTEM CAPACITY

Will maintain engine temperature in the 160-170 range using 160 F thermostat, included in kit. Higher temperature thermostats may be used but may result in too high oil temperature if the engine is run hard. System has capacity safety margin higher than industry standards.

HEATER SYSTEM HOOKUP

Heaters such as galley water heaters and cabin heaters are easily connected to the system by utilizing the cooling system bypass connection. Complete instructions included in kit.

INSTALLATION TIME

Approximately one hour for experienced mechanic assuming new engine and normal accessibility. Allow additional time for filling and testing. Expect a professional installer to include safety margin and charge for 2-3 hours of labor. Installation skills are not beyond those of most do-it-yourself boat owners. All components bolt on. No metal cutting involved. Some pipe thread connections. Some hose cutting.

INSTALLATION TOOLS

Minimum: screw driver, 7/8 deep socket or box wrench, 9/16 socket or box wrench, medium pipe wrench, knife, pipe dope.

WARRANTY

Two year warranty. For complete details see Limited Warranty for Fresh Water Cooling Kits document enclosed with your kit and located on policies page of our website.

Note: All Monitor Products freshwater cooling kits are primer coated and finish coated in matte black.

Replacement Fuel Cooler, Caterpillar, (#134-3741). 13″ overall length. 1/2″ NPT fittings, 3/8 Zinc Anodes.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Fuel Cooler, Caterpillar, (#164-0449). 12″ overall length. 1/2″ NPT fittings, 3/8 Zinc Anodes.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Fuel Cooler, Cummins (#3349303). 2-5/8″ Diameter, 9″ long shell. 3/8″ NPT Fittings. Seal-Lock Fittings.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Fuel Cooler, Cummins (#3349370).

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Fuel Cooler, Caterpillar (#3406). Fits 3406 Engines. 12″ overall length. 1/2″ NPT fittings.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Fuel Cooler, Cummins (#4989987). 4-1/8″ Diameter, 14-1/2″ Overall length. 1/2″ NPT Fittings.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Heat Exchanger, Crusader (#97434). Fits Crusader / GM big block applications. Mounts at the rear of the engine over the transmission. 5 inch tank diameter, 19 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Lehman (#2C232). Fits Lehman six cylinder 135 hp diesel models. Mounts along side of the engine. This is a standard copper unit. 4 inch tank diameter, 20 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Perkins (#NA-001406). Fits Perkins diesel models. 3 inch tank diameter, 12-1/2 inches overall length.

Note: To provide a new replacement, the old core (including mounting brackets in some cases) must be sent to Monitor Products.

Replacement Heat Exchanger, Lehman (#2C239), Sabre (#19684). Fits Lehman six cylinder 135 hp diesel models. Mounts along side of the engine. This is a Cupro NI unit. 4 inch tank diameter, 20 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Lehman (#2C240), Sabre (#19902). Fits Lehman four cylinder 80-90 hp diesel models. Mounts along side of the engine. This is a standard copper unit. 4 inch tank diameter, 13-5/8 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Lehman (#2C211). Fits Lehman 120 hp diesel models. Mounts at the rear of the engine. Includes integral mounting bracket. This is a standard copper unit. 4 inch tank diameter, 20 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Lehman (#2C213). Fits Lehman 80 hp diesel models. Mounts at the rear of the engine. Includes integral mounting bracket. This is a standard copper unit. 3 inch tank diameter, 16-3/4 inches overall length
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Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Lehman (#2C219). Fits Lehman 80 hp diesel models. Mounts at the rear of the engine. Includes integral mounting bracket. This is a Cupro Nickel unit. 3 inch tank diameter, 16-3/4 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Mercruiser (#18390T). 4 inch diameter shell. 21 1/4 inch overall length. Fits GM 8.2L.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Mercruiser (#805136T). Fits Mercruiser / GM big block models with center discharge exhaust. Mounts at the front of the engine. 4 inch tank diameter, 25-1/2 inches overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Mercruiser (#805174T). 12-3/4 inch overall length.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.

Replacement Heat Exchanger, Mercruiser (#807400A1). 20 inch overall length. Fits late model big block. Front mount.

Replacement Heat Exchanger, Mercruiser (#849115). 15-1/4 inch overall length. Fits Mercruiser 1075 SCI engine.

Note: Please be aware that the lead time for this product typically ranges from 3 days to 3 weeks, depending on current stock levels and production schedules.
For a more accurate shipping lead time, please contact us directly before placing your order. We’re happy to provide up-to-date lead time information and answer any questions you may have.