The Namura 93.00 mm Cylinder Only, manufacturer part number CA-50006 and vendor part number 189-50006, is designed for reliable engine rebuilding and performance upgrades on select Polaris 900 applications. This brand-new replacement cylinder is engineered strictly to OEM specifications, providing a dependable fit and consistent performance for both recreational riders and performance-focused enthusiasts.
Constructed from AB4C aluminum and finished with a nickel silicon carbide plated bore, the Namura cylinder is built to support excellent wear resistance and long-term durability. Its OEM-focused design allows for a straightforward drop-in installation on most compatible applications without requiring engine case modifications. The 93.00 mm bore size is suited for restoring proper cylinder function or completing an engine rebuild when matched with the correct piston, rings, gaskets, and related components.
Fitment includes the 2017 Polaris ACE 900 XC, Ranger XP 900, Ranger Crew XP 900, RZR 900 XC Edition EPS, RZR 900 S, and RZR 900 S EPS. It also fits the 2018 Polaris Ranger XP 900, Ranger Crew XP 900, RZR S4 900 EPS, and RZR 900 S EPS. Confirm the exact model, year, engine configuration, and required replacement components before installation. The Namura brand combines OEM-based manufacturing with durable materials to provide a practical cylinder solution for maintenance, restoration, and engine enhancement projects.
Features:
- Bore Size: 93.00 mm cylinder design for compatible Polaris 900 engines
- Construction: Cast AB4C aluminum body for strength and dependable service
- Bore Finish: Nickel silicon carbide plated bore for improved wear resistance
- Fitment: Designed for select 2017-2018 Polaris ACE, Ranger, and RZR 900 models
- Installation: OEM-specification design supports a simple drop-in installation on most applications
- Brand: Namura
- Manufacturer Part Number: CA-50006
- Vendor Part Number: 189-50006
Fitment:
2017 Polaris ACE 900 Xc
2017 Polaris Ranger Crew XP 900
2017 Polaris Ranger XP 900
2017 Polaris RZR 900 S
2017 Polaris RZR 900 S EPS
2017 Polaris RZR 900 Trail
2017 Polaris RZR 900 Trail EPS
2017 Polaris RZR 900 XC Edition EPS
2018 Polaris ACE 900 Xc
2018 Polaris Ranger Crew XP 900
2018 Polaris Ranger XP 900
2018 Polaris RZR 900 S
2018 Polaris RZR 900 S EPS
2018 Polaris RZR 900 Trail
2018 Polaris RZR 900 Trail EPS
2018 Polaris RZR S4 900 EPS
2019 Polaris ACE 900 Xc
2019 Polaris Ranger Crew XP 900
2019 Polaris Ranger XP 900
2019 Polaris RZR 900 S
2019 Polaris RZR 900 S EPS
2019 Polaris RZR 900 Trail
2019 Polaris RZR 900 Trail EPS
2019 Polaris RZR S4 900 EPS
2020 Polaris Ranger 1000
2020 Polaris RZR 900 S
2020 Polaris RZR 900 S EPS
2020 Polaris RZR 900 Trail
2020 Polaris RZR 900 Trail EPS
2021 Polaris Ranger 1000
2021 Polaris RZR 900 S
2021 Polaris RZR 900 S EPS
2021 Polaris RZR 900 Trail
2021 Polaris RZR 900 Trail EPS
2022 Polaris PRO XD Full Size Diesel
2022 Polaris PRO XD Full Size Gas
2022 Polaris Ranger 1000
2022 Polaris RZR 900 S
2022 Polaris RZR 900 S EPS
2022 Polaris RZR 900 Trail
2022 Polaris RZR 900 Trail EPS
2023 Polaris PRO XD Full Size Diesel
2023 Polaris PRO XD Full Size Gas
2023 Polaris Ranger 1000
2023 Polaris RZR 900 S
2023 Polaris RZR 900 S EPS
2023 Polaris RZR 900 Trail
2023 Polaris RZR 900 Trail EPS
2024 Polaris PRO XD Full Size Diesel
2024 Polaris PRO XD Full Size Gas
2024 Polaris Ranger 1000
2024 Polaris RZR 900 S
2024 Polaris RZR 900 S EPS
2024 Polaris RZR 900 Trail
2024 Polaris RZR 900 Trail EPS
2025 Polaris PRO XD Full Size Diesel
2025 Polaris PRO XD Full Size Gas
2025 Polaris Ranger 1000
2025 Polaris RZR 900 S
2025 Polaris RZR 900 S EPS
2025 Polaris RZR 900 Trail
2025 Polaris RZR 900 Trail EPS
2026 Polaris Ranger 1000