Namura CA-50004 93.00 mm Cylinder for Polaris RZR XP 900 and RZR 900

When it comes to upgrading your engine, choosing the right components is essential for achieving optimal performance. Namura’s cylinders are designed to meet the needs of both casual riders and performance enthusiasts alike. By offering a variety of sizes, Namura ensures that you can find the perfect fit for your engine rebuild or enhancement project. The advantage of choosing Namura goes beyond just their selection of cylinders. 

Upgrade or rebuild your engine with the Namura CA-50004 cylinder, designed for Polaris RZR 900 and RZR XP 900 applications. This cylinder features a 93.00 mm bore and is manufactured to OEM specifications for dependable fit, consistent performance, and straightforward installation. The cylinder-only design is suited for engine rebuilds, replacement projects, and performance upgrades where a properly matched bore is required.

Manufactured by Namura, the CA-50004 cylinder is cast from AB4C aluminum and finished with a nickel silicon carbide plated bore. This construction provides strong wear resistance, effective heat management, and durable service under demanding riding conditions. Most applications are designed as a direct drop-in installation without requiring engine case modifications, helping simplify the replacement process when compatible components and factory procedures are used.

Fitment includes the 2011 Polaris RZR XP 900 EFI; 2012 Polaris RZR XP 900 EFI and RZR XP 4 900; 2013 Polaris RZR XP 900 EFI and RZR XP 4 900; and 2014 Polaris RZR 900, RZR 900 EPS, RZR XP 900 EFI, RZR XP 4 900, RZR XP 4 900 EFI, and RZR XP 4 900. Verify the vehicle model, year, bore specification, and engine configuration before ordering. The manufacturer part number is CA-50004, and the vendor part number is 189-50004.

Features:

• Size: 93.00 mm bore cylinder
• Model: Cylinder-only replacement for Polaris RZR 900 and RZR XP 900 engines
• Brand: Namura
• Manufacturer Part Number: CA-50004
• Vendor Part Number: 189-50004
• Construction: Cast AB4C aluminum body
• Bore Finish: Nickel silicon carbide plated bore for enhanced wear resistance
• Installation: Designed to meet OEM specifications and typically supports drop-in installation without case modifications
• Fitment: 2011-2014 Polaris RZR 900, RZR XP 900, RZR XP 4 900, and applicable EFI and EPS models

Fitment:
2011 Polaris RZR XP 4 900
2011 Polaris RZR XP 900 EFI
2012 Polaris RZR XP 4 900
2012 Polaris RZR XP 900 EFI
2013 Polaris RZR XP 4 900
2013 Polaris RZR XP 900 EFI
2014 Polaris RZR 4 900 EPS
2014 Polaris RZR 900
2014 Polaris RZR XP 4 900
2014 Polaris RZR XP 4 900 EFI
2014 Polaris RZR XP 900 EFI