Hot Rods Crankshaft 4424 | Polaris RZR XP 1000, General & Ranger 1000

Hot Rods Crankshaft | Part# 421-4424 | 4424

The Hot Rods Crankshaft 4424 is a replacement crankshaft assembly for select Polaris RZR, General, Ranger, and RS1 1000cc models. Designed for engine repair and bottom-end rebuild work, this crankshaft is a strong replacement option when the original crankshaft is worn, damaged, or out of service specification.

Hot Rods crankshafts are commonly used as a dependable alternative to OEM crankshaft assemblies. They are built for powersports engine rebuilds and are designed to restore proper crankshaft function, durability, and engine performance.

Key Features

• Replacement crankshaft assembly for select Polaris 1000cc models
• Designed for bottom-end engine rebuilds and major engine repair
• Complete crankshaft assembly for easier rebuild service
• Built to meet or exceed OEM-style performance and durability
• Rebuildable with genuine Hot Rods connecting rods and bearings
• Great option for worn, damaged, or failed crankshaft assemblies
• Fits many popular Polaris RZR XP 1000, General 1000, Ranger XP 1000, and RS1 models

Simplified Fitment Guide

Polaris RZR XP 1000 Models

• RZR XP 1000: 2014–2025
• RZR XP 4 1000: 2014–2025
• RZR XP 1000 High Lifter Edition: Select 2015–2022 models
• RZR XP 4 1000 High Lifter Edition: Select 2016–2022 models
• RZR XP 1000 Trails & Rocks: Select 2017–2022 models
• Ride Command, Premium, Sport, Ultimate, LE, and EPS trims: Select years listed in fitment

Polaris RZR 1000 Models

• RZR 1000 S EPS: 2016–2020
• RZR 1000 Trail S: 2021–2025
• RZR 1000 RS1: 2018–2022
• RZR S4 1000 EPS: 2019–2020

Polaris General Models

• General 1000: 2016–2025
• General 4 1000: 2017–2022
• General XP 1000: 2020–2025
• General XP 4 1000: 2020–2025

Polaris Ranger Models

• Ranger XP 1000: Select 2017–2022 models
• Ranger Crew XP 1000: Select 2017–2021 models
• Ranger 1000 Premium: 2020
• Ranger Crew XP 1000 Texas Edition: Select 2020–2021 models
• Ranger XP 1000 Trail Boss: 2021–2022
• Ranger Crew XP 1000 Trail Boss: 2021
• High Lifter, Northstar, EPS, and Premium trims: Select years listed in fitment

Fitment Note: This is a simplified fitment guide based on the supplied application list. Fitment can vary by exact year, trim package, engine configuration, and production model. Always verify your exact year, make, model, and submodel before ordering.

Product Details

• Brand: Hot Rods
• Part Number: 421-4424
• Manufacturer / Brand Number: 4424
• Catalog Note: Some listings may display this crankshaft as 4424-1
• Product Type: Crankshaft Assembly
• Engine Type: Polaris 1000cc 4-stroke applications
• Vehicle Type: Polaris UTV / Side-by-Side
• Sold As: Each

When to Replace a Crankshaft

• Rod bearing failure
• Excessive crankshaft play
• Engine knock or lower-end noise
• Crankshaft damage from oil starvation
• Complete bottom-end engine rebuild
• Major internal engine failure or high-hour rebuild

Why Choose a Hot Rods Crankshaft?

A crankshaft is one of the most important internal engine components. When the original crankshaft is damaged or worn beyond specification, replacing it with a complete Hot Rods crankshaft assembly helps restore the bottom end of the engine and supports reliable performance after a proper rebuild.

FAQ

What does the Hot Rods 4424 crankshaft fit?

This crankshaft fits select Polaris RZR XP 1000, RZR XP 4 1000, RZR 1000 Trail S, RZR 1000 S, RZR RS1, General 1000, General XP 1000, Ranger XP 1000, and Ranger Crew XP 1000 models from the supplied fitment list.

Is this a complete crankshaft assembly?

Yes. Hot Rods crankshafts are commonly sold as complete crankshaft assemblies designed for engine rebuild and repair work.

Can I install this crankshaft myself?

Crankshaft replacement requires engine disassembly, proper inspection, bearing selection, and precision assembly. Installation should be performed by an experienced engine builder or qualified technician.

When should a crankshaft be replaced?

A crankshaft should be replaced if it has bearing failure, excessive play, lower-end noise, oil starvation damage, or damage found during an engine rebuild.