OEM Husqvarna 372 XP X-TORQ, 576 XP, 576 XP AUTO TUNE Brake Spring

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Genuine Husqvarna Brake Spring
Part #: 503 70 99-02
Fits 372 XP X-TORQ, 576 XP, 576 XP AUTO TUNE, 570 II (Valid only for 967 10 83 -XX), 372 XP, 390XP, 362, 365SP

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SKU: 503709902 Categories: , Tags: , Brand:

Genuine Husqvarna Chain Brake Spring – 503 70 99-02

The Genuine Husqvarna 503709902 Chain Brake Spring is a safety-critical component responsible for the instant engagement of the chain brake band.

High-Tensile Safety Performance

Professional saws generate significant chain inertia. This OEM spring is engineered to deliver precise tension cycles without losing its “memory.” Cheaper aftermarket springs can stretch or snap, potentially delaying the brake engagement during a kickback event.

Model Compatibility:

Husqvarna 61, 268, 272 XP
281, 288 XP
362, 365, 365 X-TORQ
371, 372 XP, 372 XP X-TORQ
385 XP, 390 XP
570 II, 575 XP, 576 XP, 576 XP AutoTune
Jonsered CS2163, CS2165, CS2166, CS2171, CS2172, CS2186, CS2188
📄 Technical Resources (PDF):

🛠️ Mechanic’s Tip:
Warning: Brake springs are under massive tension. Always wear eye protection during installation. Use a specialized spring pulling tool or a sturdy pair of needle-nose pliers to avoid the spring “launching” during assembly.
Weight 0.05625 lbs

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