✓DIRECT OEM REPLACEMENT: Carburetor Replaces # Zama C1M-EL37B; Husqvrana 506450401 531215601. Air Filter Replace # Husqvrana 544080803. NOT FOR Husqvarna 450 Rancher Chainsaw
✓Precise Model Fit: Compatible with Husqvrana 445, 445E, 445 II, 450, 450E and 450 II chainsaws; Craftsman 358382000 Chainsaw.
✓Precise Model Fit: Compatible with Jonsered: CS2245 S, CS2245 S II, CS2250 S II (Produced 2011-07 and later); McCulloch: CS450, 966631713, 966631715, 966631718 (Produced 2011-07 and later).
✓Please Note: Husqvrana 445/450 chainsaws have multiple factory revisions with different carbs & air filters. Confirm fitment by checking your original carb has C1M-EL37B stamp and comparing its shape, choke lever, fuel ports and mounting holes with our photos; mismatched structure means this kit will not fit.
✓COMPLETE TUNE-UP KIT: Includes HIPA 506450401 carburetor x1, 544080802 air filter x1, primer bulb x1, fuel filter x1, 2feet fuel line x1, spark plug x1, gasket x2. Saving you extra time and cost on scattered accessory purchases.
✓WORK‑SCENE ADAPTABILITY: Matches different workload requirements for Husqvrana 445, 450. 445 fits home & intermittent light tasks, for tree pruning, brush clearing and cutting logs ≤30cm; 450 supports farm frequent medium-duty jobs, for regular felling logs ≤40cm, hardwood cutting and firewood processing.
✓USER‑ORIENTED REPLACEMENT: Designed for a wide range of users, including homeowners, farmers, ranchers and DIYers. This carburetor delivers dependable aftermarket power whether working on yard maintenance or medium log cutting with Husqvrana 445 & 450.