Polaris Ranger RZR 800 Throttle-Body Intake Boot 100-4177-PU 1205301
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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.
- Polaris RZR 800 models using intake adapter 1205301
- Polaris Ranger 800 models using intake adapter 1205301
- Polaris Ranger Crew 800 applications with the same throttle-body adapter
- Compatible 2008–2016 Polaris 800 UTV applications specifically calling for 100-4177-PU
Product Overview
A split boot after the throttle body can create a vacuum leak that shows up as hard starting, hanging idle, lean codes, poor response, or dust getting where it should never go. Smoke testing and close inspection around the molded seal can confirm the boot before sensors or injectors are blamed.
This adapter joins the throttle body to the intake path and uses an integrated rubber seal. It is not a carburetor, and the broad Ranger/RZR 800 family includes several intake versions, so compare the aluminum shape, bolt pattern, port, and seal design.
Key Features & Performance
- Direct throttle-body intake adapter for matching Polaris 800 engines
- Integrated rubber sealing surface
- Cross-references 100-4177-PU and original number 1205301
- Repairs a confirmed unmetered-air or dust-entry point
Replaces Part Numbers
- 100-4177-PU
- 1205301
Common Uses
- Replacing a cracked or separated intake adapter
- Repairing a smoke-tested vacuum leak
- Stopping unfiltered dust from bypassing the intended intake path
- Correcting lean running after wiring and fuel pressure are verified
Technical Specifications
- Product Type: Throttle-Body Intake Adapter Boot
- Construction: Metal adapter with integrated rubber seal
- Engine Family: Matching Polaris 800 EFI
- Condition: New aftermarket
Installation & Fitment
- Clean the work area so no grit enters the throttle body or engine
- Compare bolt pattern, port size, sensor or hose fittings, and seal shape
- Inspect the throttle body and surrounding intake tubes for additional cracks
- Tighten evenly, reconnect hoses, and repeat the leak test before riding
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application not shown.
Model, production date, serial number, electrical or fuel-system version, dimensions, installed options, and previous repairs can affect fitment. Compare the original part and application information before purchase.
Frequently Asked Questions
Q: Is this a carburetor intake manifold? A: No. It is the throttle-body intake adapter or boot used on matching EFI Ranger and RZR 800 applications.
Q: Can an intake leak cause a lean condition without a visible crack? A: Yes. Separation can hide under clamps or molded edges, making a controlled smoke test useful.
Q: How do I confirm fitment before ordering? A: Match the original reference number where available, then compare the removed part, dimensions, connections, mounting details, model, serial or production information, and package photos.
Q: Is this an original-equipment part? A: No. This is a new aftermarket part. Brand names and reference numbers are used only to identify compatible applications.
Part Summary
keywords: 100-4177-PU intake boot, Polaris 1205301 adapter, Ranger 800 vacuum leak, RZR 800 throttle body boot, Polaris lean idle repair, Quad Logic intake replacement
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.