Contents
Mercriser 90-8M0124044 Raw Water Cooling Crossover
Product Information
- Product Name: Raw Water Cooling Crossover Assembly
- Catalog Number: 90-8M0124044
- Part Number: 8M0107034
Description: This Raw Water Cooling Crossover Assembly is designed to regulate the flow of raw water in a cooling system. It includes various fittings, plugs, gaskets, and sensors necessary for proper functioning.
Product Usage Instructions
- Ensure that the engine is turned off and cool before starting any installation or maintenance procedures.
- Locate the existing raw water cooling crossover assembly in your engine.
- Remove any existing components or fittings connected to the crossover assembly.
- Inspect the new Raw Water Cooling Crossover Assembly for any damages or defects. If found, contact customer support for a replacement.
- Install the CROSSOVER PLUG (.250-18) into the designated port on the crossover assembly.
- Connect the SEAL FITTING Pipe – Brass (.750-14) to the appropriate connection point on the engine.
- Attach the FITTING Straight (.750-14) to the other end of the SEAL FITTING Pipe.
- Install the SENSOR ASSEMBLY at the desired location on the crossover assembly.
- Use the provided O-RING (1.78 mm x .08 mm) to seal any connections that require it.
- Connect the HOSE FSM to Crossover using the appropriate fittings.
- Secure the PLUG Pipe (.125-27) Brass into its designated port on the crossover assembly.
- Tighten all connections and fittings to the recommended torque specifications.
- Attach the RWC Cover Bracket using the provided SCREW (M6x10).
- Secure the CLAMP Worm Gear (11-18 mm) around the crossover assembly for added stability.
- Place the CAP CLAMP Worm Gear (1.56 Diameter) over the appropriate connection point.
- Use the SCREW (M8 x 110) to tighten and secure the CAP CLAMP.
- Double-check all connections and fittings for tightness and proper alignment.
- Start the engine and monitor for any leaks or abnormal behavior.
Note: For further assistance or troubleshooting, refer to the product manual or contact customer support.
PARTS
| Ref # | Part Class | Part Number | Description | Comments | Qty | Note |
| 1 | 0000 | 8M0107034 | CROSSOVER | 1 | ||
| 2 | 0022 | 73379 | PLUG (.250-18) | 2 | ||
| 3 | 0000 | 8M0081836 | SEAL | 2 | ||
| 4 | 0022 | 428611 | FITTING Pipe – Brass (.750-14) | 2 | ||
| 5 | 0022 | 866725 | FITTING Straight (.750-14) | 2 | ||
| 6 | 0000 | 885342002 | SENSOR ASSEMBLY | 1 | ||
| 7 | 0025 | 896699 | O-RING (1.78 mm x .08 mm) | 1 | ||
| 8 | 0032 | 8M0090430 | HOSE FSM to Crossover | 1 | ||
| 9 | 0022 | 390721 | PLUG Pipe (.125-27) Brass | 1 | ||
| 10 | 0022 | 8M0085864 | FITTING | 1 | ||
| 11 | 0022 | 32803 | PLUG Pipe (.375-18) Brass | 1 | ||
| 12 | 0010 | 4009516 | SCREW (M8 x 16) | 2 | ||
| 13 | 0000 | 8M0073879 | CAP | 1 | ||
| 14 | 0027 | 8M0079167 | GASKET | 1 | ||
| 15 | 0027 | 806871 | GASKET | 1 | ||
| 16 | 0000 | 8M0089715 | THERMOSTAT 60 Degree C (140
Degree F) |
1 | ||
| 17 | 0022 | 806608A02 | PLUG ASSEMBLY (.500-13) Blue | 1 | ||
| 18 | 0025 | 26802 | O-RING (.424 x .103) | 1 | ||
| 19 | 0010 | 8M2600010 | SCREW (M6x10) RWC Cover
Bracket |
4 | ||
| 20 | 0054 | 815504105 | CLAMP Worm Gear (11-18 mm) | 2 | ||
| 21 | 0019 | 8M0074364 | CAP | AR | ||
| 22 | 0054 | 815504216 | CLAMP Worm Gear (1.56 Diameter) | 4 | ||
| 23 | 0010 | 40095110 | SCREW (M8 x 110) | 4 |