Fuel Injector 1204318 1204319 for Polaris Ranger Crew HD XP RZR 4 S SW 800 2011-2014
This fuel injector is engineered as a direct replacement for the Polaris Ranger Crew HD XP RZR 4 S SW 800 2011-2014. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Fuel Injector 1204318 1204319 for Polaris Ranger Crew HD XP RZR 4 S SW 800 2011 | 2014 Condition: New Aftermarket Part Note: We recommend replacing the entire set of fuel injectors to ensure the engine’s optimal performance. Due to differences in oil output and atomization concentration between genuine and aftermarket parts, they should not be mixed. Replacing the entire set of injectors helps avoid potential issues. Replacement Part Number: 1204318, 1204319 Applications:Fit for Polaris ATV/UTV: 2011 RZR 4 800 Robby Gordon Edition2011 RZR 4 800 Robby Gordon Edition EPS2011 RZR 800 EFI2011 RZR 800 EFI EPS2011 RZR 800 Pursuit EFI2011 RZR S 800 EFI2011 RZR SW 800 Military2011 Ranger 800 6×6 EFI2011 Ranger Crew 800 4×4 EFI2011 Ranger Crew 800 4×4 EFI EPS2011 Ranger Crew 800 4×4 LE EFI2011 Ranger Crew 800 4×4 Pursuit EFI2011 Ranger HD 800 4×4 EFI EPS2011 Ranger XP 800 4×4 Browning EFI2011 Ranger XP 800 4×4 EFI2011 Ranger XP 800 4×4 EFI EPS2011 Ranger XP 800 4×4 Pursuit EFI2012 RZR 4 800 –2012 RZR 4 800 Robby Gordon Edition2012 RZR 4 800 Robby Gordon Edition EPS2012 RZR 800 EFI2012 RZR 800 EFI EPS2012 RZR 800 EFI LE2012 RZR 800 EFI LE EPS2012 RZR 800 Walker Evans Edition EFI2012 RZR S 800 EFI2012 RZR S 800 LE EFI2012 Ranger 800 6×62012 Ranger Crew 800 4×4 EFI2012 Ranger Crew 800 4×4 EFI EPS2012 Ranger Crew 800 4×4 LE EFI EPS2012 Ranger Crew 800 4×4 Pursuit EFI2012 Ranger HD 800 4×4 EPS2012 Ranger XP 800 4X42012 Ranger XP 800 4×4 Browning EPS2012 Ranger XP 800 4×4 EFI2012 Ranger XP 800 4×4 EPS2012 Ranger XP 800 4×4 LE2012 Ranger XP 800 4×4 LE EPS2013 RZR 4 800 –2013 RZR 4 800 LE EPS2013 RZR 800 EFI2013 RZR 800 LE EFI2013 RZR 800 LE EFI EPS2013 RZR 800 Pursuit2013 RZR S 800 EFI2013 RZR S 800 LE EFI2013 RZR S 800 LE EFI EPS2013 Ranger 800 6×62013 Ranger 800 EFI2013 Ranger 800 EFI EPS2013 Ranger 800 LE EFI2013 Ranger 800 LE EFI EPS2013 Ranger 800 LE Midsize EFI2013 Ranger 800 Midsize EFI2013 Ranger Crew 800 –2013 Ranger Crew 800 LE EPS2013 Ranger XP 800 4×4 Pursuit2014 RZR 4 800 LE EPS2014 RZR 800 –2014 RZR 800 LE EPS2014 RZR 800 Pursuit2014 RZR 800 Walker Evans EPS2014 RZR 800 XC Edition2014 RZR S 800 –2014 RZR S 800 LE EPS2014 Ranger 800 6×6 EFI2014 Ranger 800 EFI2014 Ranger 800 LE EFI EPS2014 Ranger 800 Midsize EFI2014 Ranger 800 Midsize LE EFI EPS2014 Ranger 800 Midsize Pursuit EFI2014 Ranger 800 Pursuit EFI2014 Ranger Crew 800 — |
Replaces OEM Part Numbers
1204318 • 1204319 • 2011-2014
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On Polaris engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On Polaris engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Will this fit my Polaris 800?
Yes. This part is designed to fit the Polaris 800 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 1204318 with 1204319?
Yes. Both 1204318 and 1204319 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 2011 model – is it covered?
The compatibility range for this part includes 2011-2014. The 2011 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
What are the common failure signs on a Polaris engine?
On Polaris engines, watch for black exhaust smoke under load, rough idle, misfire codes (P0300 series), and loss of power. A single failing injector can reduce engine output by up to 25%. If you notice fuel in the engine oil, the injector seat seal is likely compromised.
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