Skip to product information
Rear left fender flare — Polaris RZR S 800 / RZR 4 800 selected years | Northline Parts
  • Rear left fender flare — Polaris RZR S 800 / RZR 4 800 selected years | Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
  • Replace For 5437661-070 Polaris 2009-2017 RZR 800 570 Rear Left Fender Flare - aftermarket replacement part from Northline Parts
Rear-Left Fender Flare for Polaris RZR S 800 / RZR 4 800 – 5437661-070

Rear-Left Fender Flare for Polaris RZR S 800 / RZR 4 800 – 5437661-070

SKU: NLT2P00563
$139.89 In Stock
$139.89
$139.89
Ships for free in 2–4 business days.
This rear-left fender flare replaces the driver-side rear extension on compatible Polaris RZR S 800 and RZR 4 800 models using part number #5437661-070.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

Call ‪(314) 403-0109‬

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • 2009 Polaris RZR S 800 EFI
  • 2010 Polaris RZR S 800 EFI
  • 2010 Polaris RZR 4 800 EFI
  • 2011 Polaris RZR S 800 / RZR 4 800 (verify exact parts fiche)
  • 2012 Polaris RZR S 800 / RZR 4 800 (verify exact parts fiche)
  • 2013 Polaris RZR S 800 / RZR 4 800 (verify exact parts fiche)
  • 2014 Polaris RZR S 800 / RZR 4 800 (verify exact parts fiche)

Important Fitment Note: Part #5437661-070 is specifically REAR LEFT. Broad 2009–2017 RZR 570/800 fitment from the original title is not confirmed; compare VIN-specific parts diagram before claiming later RZR 570 fit.

Product Overview

The flare attaches to the outer edge of the rear fender and helps deflect mud and debris away from the occupants. It is a single rear-left piece, not a complete four-corner flare set.

A broken flare leaves mounting holes exposed and can allow debris to spray the vehicle. Matching the left-side part number prevents ordering the mirrored right-side component by mistake.

Key Features & Performance

  • Product: Rear left fender flare.
  • Design and Application: Designed for the application and installation style described below.
  • What to Compare: Compare the existing mounting arrangement, dimensions, connection points, and supplied components before ordering.

Specifications

  • Product Type: Rear left fender flare
  • Finish / Style: Black
  • Application: Polaris RZR S 800 / RZR 4 800 selected years
  • Northline Parts SKU: NLT2P00563

Replaces / Cross-References

Part number reference: 5437661-070 (rear left); 5437662-070 is the separate rear-right flare.

Confirm the original part number and its physical configuration before ordering. A matching number on an accessory listing does not, by itself, verify interchangeability.

Installation & Fitment Notes

Before installation, compare the new part with the original and check that the mounting locations, clearances and supplied hardware match. Follow the vehicle or equipment manufacturer’s installation instructions.

Frequently Asked Questions

Is this an OEM part?

No. This is an aftermarket replacement or accessory. Any OEM number provided is for application identification only; it does not mean the item is manufactured by the original equipment brand.

How do I confirm it fits?

Match your exact model and year with the Compatible Models section, then compare the mounting points, measurements and existing part. If your vehicle has aftermarket equipment or a special trim, verify the configuration before ordering.

What is included?

The product shown in the listing photos is supplied. Extra brackets, fasteners or other components are not guaranteed unless specifically pictured or stated as included.

Part Summary

Part: Rear left fender flare

Applications: Polaris RZR S 800 / RZR 4 800 selected years

Reference Number: 5437661-070 (rear left); 5437662-070 is the separate rear-right flare

Finish / Configuration: Black

Purpose: The flare attaches to the outer edge of the rear fender and helps deflect mud and debris away from the occupants. It is a single rear-left piece, not a complete four-corner flare set.

Northline Parts SKU: NLT2P00563

Keywords: Rear left fender flare, Rear-Left Fender Flare for Polaris RZR S 800 / RZR 4 800 – 5437661-070, NLT2P00563, Northline Parts, 5437661-070 RZR fender flare, Polaris RZR left rear extension, RZR S 800 rear mud flap.

Fitment information is provided to help identify the correct item; compare the original component and machine configuration before purchase.

Customers also purchased