Vertex Complete Engine Rebuild Kit – Polaris RZR 900 / RZR S / Ranger 900 XP & Crew (2013–2015) (WR00042-1 / 0903-1646)

Description

The Vertex WR00042-1 Complete Engine Rebuild Kit (0903-1646) is the ultimate all-in-one overhaul solution for your Polaris 900 cc 4-stroke engine. Designed for both RZR and Ranger applications, this kit combines Vertex pistons and Hot Rods internals for unmatched reliability and performance.

Each kit includes everything needed to professionally rebuild your top and bottom end — no need to source individual parts. Ideal for performance rebuilds, preventative maintenance, or full restorations.

What’s Included

✅ Hot Rods crankshaft (stock stroke, heavy-duty)
✅ Vertex piston kit – piston, rings, wrist pin & clips
✅ Complete engine gasket & oil-seal kit (top + bottom end)
✅ Main bearing & seal kit
✅ Water-pump rebuild kit
✅ Oil-pump chain kit
✅ Cam chain
✅ Countershaft bushing & seal kit
✅ Counter-balancer bearing kit

Fitment

📦 Fits the following models:

Polaris RZR Series

• RZR 900 (2015)

• RZR 900 EPS 4×4 (2015)

• RZR 900 EPS Trail (2015)

• RZR 900 XC Edition (2015)

• RZR S 900 (2015)

• RZR S 900 EPS (2015)

• RZR 4 900 EPS (2015)

Polaris Ranger Series

• Ranger 900 XP (2013 – 2014)

• Ranger 900 Crew (2014 – 2015)

• Ranger 900 Crew EPS (2014 – 2015)

• Ranger 900 Crew EPS LE (2014)

(Fits 900 cc 4-stroke UTV engines)

Key Features

• All-in-one engine rebuild kit for top and bottom ends

• OEM-grade Vertex & Hot Rods components

• Precision fit for optimum compression and durability

• Includes cam chain and oil-pump chain kits for complete refresh

• Ideal for off-road utility and high-performance applications

Warranty Info

Manufactured by Vertex / Wrench Rabbit.
For technical support or warranty claims, contact Vertex or Wrench Rabbit directly.

Price & SKU

💲 Retail Price: $1,846.95
SKU: WR00042-1 / 0903-1646
Estimated Shipping Weight: 27.9 lb
Handling: Ships next business day