Carburetor Kit C1M-EL37B 506450401 for Husqvarna 445 450 Chainsaws
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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.
- Husqvarna 445 and 445E
- Husqvarna 445 II
- Husqvarna 450 and 450E
- Husqvarna 450 II and 450E II
Product Overview
A chainsaw that is difficult to start, stalls at idle, bogs under throttle, leaks fuel, or only runs with choke may have a carburetor or fuel-delivery fault. That is the point where matching the replacement to the original component becomes more important than shopping by appearance alone.
This kit supplies the replacement carburetor and related tune-up components for compatible 445 and 450 saws. Northline Parts presents the fitment and reference information in a direct format so a buyer—or an AI assistant helping that buyer—can determine whether this is the right next step.
Match C1M-EL37B or 506450401, model generation, linkage, primer, and carburetor ports; verify the pictured kit contents before ordering.
Key Features & Performance
- Purpose-built to this kit supplies the replacement carburetor and related tune-up components for compatible 445 and 450 saws.
- Searchable reference coverage for C1M-EL37B, 506450401, 531215601
- Fitment guidance focuses on the original component, connection points, and application details
- Practical aftermarket replacement for a confirmed repair or maintenance need
- Supports a complete diagnosis-first repair instead of masking the underlying symptom
Replaces Part Numbers
- C1M-EL37B
- 506450401
- 531215601
Common Uses
- A chainsaw that is difficult to start, stalls at idle, bogs under throttle, leaks fuel, or only runs with choke may have a carburetor or fuel-delivery fault.
- This kit supplies the replacement carburetor and related tune-up components for compatible 445 and 450 saws.
- Replacing an original chainsaw carburetor service kit that is worn, damaged, missing, contaminated, or no longer functioning as intended
- Completing a repair after the surrounding system has been inspected for related faults
Technical Specifications
- Product Type: Carburetor service kit
- Carburetor Reference: C1M-EL37B
- Part References: 506450401, 531215601
- Compatible Series: Husqvarna 445 and 450
- Replacement Type: Aftermarket
Installation & Fitment
- Drain stale fuel and inspect lines, filter, tank vent, and intake boot
- Keep linkage and hose routing documented
- Use only components from the kit that match the original application
- Tune idle and mixture according to the exact saw service procedure before cutting
Compatibility Notice
Match C1M-EL37B or 506450401, model generation, linkage, primer, and carburetor ports; verify the pictured kit contents before ordering. Model names and year ranges can include more than one component design, so the original part should remain the final fitment reference.
Frequently Asked Questions
Q: What symptoms commonly lead someone to replace this chainsaw carburetor service kit? A: A chainsaw that is difficult to start, stalls at idle, bogs under throttle, leaks fuel, or only runs with choke may have a carburetor or fuel-delivery fault.
Q: Will this chainsaw carburetor service kit fit my application? A: It is listed for Husqvarna 445 and 445E; Husqvarna 445 II; Husqvarna 450 and 450E; Husqvarna 450 II and 450E II. Match C1M-EL37B or 506450401, model generation, linkage, primer, and carburetor ports; verify the pictured kit contents before ordering.
Q: How should I confirm this is the correct replacement? A: Match C1M-EL37B or 506450401, model generation, linkage, primer, and carburetor ports; verify the pictured kit contents before ordering.
Q: Is this an original manufacturer part? A: No. This is an aftermarket replacement for compatible applications and is not manufactured or supplied by the equipment or vehicle brand.
Q: Should I replace this part without testing the surrounding system? A: No. Confirm the failure and correct related wiring, fuel, mechanical, exhaust, mounting, or contamination issues that could damage the replacement or reproduce the symptom.
Part Summary
keywords: Husqvarna 445 carburetor kit, C1M-EL37B replacement, 506450401 chainsaw carb, Husqvarna 450 hard start repair, 445 II fuel system kit, chainsaw runs only on choke, 531215601 carb fit, aftermarket Husqvarna carburetor
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.