Powtol FS90R carburetor side view for STIHL trimmer, ready replacement
Powtol C1Q-S174 label close-up highlighting official replacement part reference
Powtol carburetor in box emphasizes ready-to-install replacement
Powtol FS90R carburetor top view shows precise fit for STIHL engines
Powtol fuel line connection demonstrates correct routing for reliable performance
Powtol throttle connector detail shows proper linkage compatibility for smooth operation
Powtol durable materials close-up highlights robust build for long-lasting use
Powtol packaging box and parts layout for easy identification
Powtol in STIHL trimmer assembly demonstrates straightforward replacement benefits

Powtol

Powtol FS 90 R Carburetor for STIHL FS90R | C1Q-S174 Replacement

High-performance patio lawn and garden made for confident daily results

$20.80

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Why customers choose Cera Garden

Overview

The Powtol FS 90 R carburetor is a purpose built replacement part designed for STIHL trimmers. It carries the identifiers C1Q-S174 and 4180 120 0611 and is distinct from C1Q-S110. When ordering, take a moment to compare fuel line directions and throttle cable connector configurations to ensure a correct match for your machine.

Compatibility and fit

This carburetor is designed to work with a broad range of STIHL engines from 2003 to 2012. It serves as a direct substitute for many models in the FS series and related lines, supporting efficient power delivery through typical trimming tasks.

  • FS90R, FS100R, FS110R and FS110 family
  • FS90, FS100, FS130 and FC110/FC100 variants
  • HL100, HL100K, HL90 and HL95 families
  • HT100, HT101, KM90, KM100, KM110 and SP90 families
  • SP90T and SP90 variants commonly used in residential trims
  • Fits engines within the 2003 to 2012 production window

Installation notes and verification

For best results, confirm your engine model and part number before purchase. Verify that the fuel line routing and the throttle cable connector on the replacement match your current setup to avoid mismatches.

  • Note that the replacement is C1Q-S174; avoid confusing it with C1Q-S110
  • Check the fuel line directions against the original configuration
  • Ensure the throttle linkage aligns with the existing connector layout

What you may gain

As a replacement component, the Powtol carburetor aims to restore steady fuel delivery and more predictable idle behavior within typical operation. Real world results depend on engine condition and maintenance practices.

  • Direct compatibility reduces downtime when servicing STIHL trimmers
  • Solid build quality supports reliable operation through routine trimming tasks
  • Compact design helps maintain proper air-fuel mixture and engine response
  • Clear labeling aids quick identification and ordering in workshops

Why Powtol

Powtol provides replacement parts designed to fit, function, and endure as part of regular maintenance. While not a guaranteed outcome, using a compatible replacement can offer a straightforward option when you need a fast, dependable fix for STIHL trimmers.

FAQ

Q: What STIHL models does the Powtol FS 90 R Carburetor fit?

A: Compatible with many models from 2003–2012, including FS90R/FS100R/FS110R, HL100/HL95, KM90/KM110, SP90 and more. Always verify your engine model and part numbers before ordering.

Q: How do I ensure I order the correct carburetor?

A: Compare part numbers (C1Q-S174 vs C1Q-S110) and check fuel line directions and throttle cable connectors before purchase.

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