• Namura OEM Style Piston Kit .040 (NA-50003-4)
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Namura

Namura OEM Style Piston Kit .040 (NA-50003-4)

Namura OEM Style Piston Kit .040 (NA-50003-4)

$96.95 USD
$96.95 USD
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● In stock — orders before 2 PM MST start processing the same day

Fits these machines

Verify fit
Make
Polaris
Model
300L 2X4/4X4/6X6300 XPLORER300 XPRESSXplorer 300Xpress 300
Years
1994–2000
Type
ATVUTV

This part covers more than one machine. The lists above are combined, not paired — confirm your exact model and year before ordering, or text us the machine and we’ll confirm it.

More parts for the 300L 2X4/4X4/6X6 →

Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, reach out and we’ll gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 385-430-5221.

Fits: 1994–2000 Polaris 300 XPLORER, 300 XPRESS, 300L 2X4/4X4/6X6.

Part number: NA-50003-4 (Namura)

NAMURA PISTONS.
* All Namura pistons have Molybdenium/Teflon skirt coatings that minimize resistance and wear to provide extended life.
* All Namura pistons have anodized domes that provide superior heat resistance.
* All Namura pistons have super-high silicone content for additional strength.
* All Namura pistons have premium world class rings.
* Rings will fit OEM pistons.

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