R1 Industries Offroad

Engine Parts

Shop 15 Engine Parts products. Use the filters to narrow it down, and check the product page for exact fitment before ordering.

15 products Secure checkout Fitment help available

UTV Engine Parts

50+ sold
Weller Racing YXZ1000R Air Injection Block Off Plate Kit
$45.99
(1)
SuperATV Up & Running Polaris RZR Starter
$84.95
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Up & Running Can-Am Defender Starter | SuperATV
$90.95
Weller Racing YXZ1000R Throttle Body Lock Down Kit
$200.00
Polaris Speedometer Correction Kit | SuperATV
$234.95
Polaris RZR Heavy-Duty Radiator | SuperATV
$256.95
Weller Racing YXZ1000R Upper Throttle Body Bracket Kit
$45.00
Weller Racing YXZ1000R Boost Ready Engine Kit with Shim in Bucket Valve Spring Kit
$2,888.31
Weller Racing YXZ1000R Lower Throttle Body Bracket Kit
$35.00
John Deere Gator Up & Running Starter | SuperATV
$150.95
Polaris RZR Up & Running Starter | SuperATV
$84.95
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Polaris RZR XP Turbo S Padded Heat Shield | SuperATV
$155.95
Polaris SpeedDoctor Speedometer Correction Kit | SuperATV
$234.95
Polaris General Starter | SuperATV
$150.95
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Weller Racing YXZ1000R Boost Ready Engine Kit with Steel Retainer Valve Spring Kit
$2,425.15

About Engine Parts

UTV Engine Parts & Supporting Performance Components

Shop engine-related replacement, cooling and performance-support parts by exact machine fitment. Start with the problem or build goal, then verify the year, model, engine and supporting setup before ordering.

UTV Radiators

Heavy-duty and replacement cooling options for supported side-by-sides.

Fuel System Parts

Fuel pumps, injectors and supporting fuel-system components.

UTV Sensors

O2, boost, MAP/TMAP and related engine-management sensors.

UTV O2 Sensors

Replacement oxygen sensors for supported Polaris and Can-Am applications.

Tuners & ECU Programmers

Application-specific calibration tools and ECU tuning options.

Performance Parts

Turbo, supercharger, intake, clutching and related performance upgrades.

Fitment comes first. Engine-related parts can depend on exact year, engine, ECU strategy, cooling layout and existing modifications. Use the individual product page as the final fitment source.

For cooling-system work, browse UTV radiators, Polaris RZR radiators, radiator relocation kits, and oil coolers. For Yamaha performance builds, browse Yamaha YXZ1000R engine parts.