21-42990A10 Fuel Pump Kit for Chrysler Force | JLM Marine

Fuel Pump Kit for Chrysler Force Outboards – OEM 21-42990A10

This aftermarket Fuel Pump Kit is engineered to fit a wide range of Chrysler Force 2-stroke outboard engines from 40 HP to 150 HP, covering model years 1991–1999. Designed as a direct replacement for multiple OEM part numbers, it restores reliable fuel delivery for mid-range and high-output Force motors.

Direct Replacements: Chrysler Force 21-42990A10, 21-42990A7, 21-42990A8, 21-42990A9, 21-857005A1.

• Restores fuel system integrity on Force 40–150 HP engines
• Designed for reliable operation in marine environments
• Manufactured to OEM specifications

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

This fuel pump kit includes all necessary components for installation. Please verify contents upon receipt.

Installation Guide

1. Safety First: Disconnect the battery and relieve fuel system pressure before beginning work.
2. Access the Fuel Pump: Remove the engine cover and locate the fuel pump mounted on the engine block.
3. Disconnect Fuel Lines: Carefully detach inlet and outlet fuel lines, using a container to catch residual fuel.
4. Remove Old Pump: Unbolt the existing fuel pump and gasket from the mounting surface.
5. Clean Mounting Surface: Scrape away old gasket material and clean thoroughly with a suitable solvent.
6. Install New Gasket: Position the new gasket on the mounting surface, ensuring proper alignment with bolt holes.
7. Mount New Pump: Attach the new fuel pump and torque mounting bolts to manufacturer specifications in a cross pattern.
8. Reconnect Fuel Lines: Reattach inlet and outlet lines securely, checking that clamps are tight.
9. Prime the System: Squeeze the primer bulb repeatedly until it feels firm to fill the pump and lines.
10. Reconnect Battery: Restore electrical connections and start the engine.
11. Check for Leaks: Inspect all connections while the engine is running; tighten fittings if necessary.
12. Test Run: Operate the engine under normal conditions and verify proper fuel delivery and performance.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump kit fits my Chrysler Force engine?
A: Cross-reference your engine's HP and year with the compatibility table above. Check your original part number against the replacements listed (21-42990A10, 21-42990A7, 21-42990A8, 21-42990A9, or 21-857005A1).

Q: What are the signs that my fuel pump needs replacement?
A: Common symptoms include hard starting, engine stalling at idle or under load, loss of power at high RPM, visible fuel leaks around the pump, or an engine that won't start despite having fuel in the tank.

Q: How often should I replace my outboard fuel pump?
A: Fuel pumps should be inspected annually and replaced when signs of wear appear—typically every 3–5 years depending on usage and fuel quality. Replace immediately if you notice leaks or performance issues.

Q: Can I use this kit on engines outside the specified year range?
A: This kit is designed specifically for the model years listed (1991–1999). Using it on engines outside this range may result in improper fit or performance issues; verify part compatibility before purchasing.

Q: Is this an OEM part or aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.