Description
Overview:
This genuine Husqvarna screw (503 21 88-76) is a small but essential fastener used across a wide range of Husqvarna chainsaws, including the 445 E and 435 E. Manufactured from durable steel, it is designed to hold assemblies securely in place under vibration and load, helping to maintain safe and reliable operation. It is suitable for securing components such as housings, covers, and other assemblies where a robust machine screw is required. Built to Husqvarna OEM standards, it offers a dependable fit and consistent performance, making it ideal for routine maintenance and for replacing worn or damaged screws during repairs on compatible petrol, battery, and electric models.
Key Features:
- Genuine Husqvarna part for assured compatibility and performance
- Precision-engineered to OEM tolerances for a secure, accurate fit
- Durable steel construction for long service life under vibration
- Helps maintain correct clamping force and component alignment
- Corrosion-resistant finish for dependable use in outdoor conditions
- Suitable for frequent maintenance and part replacements
- Simple to install with standard hand tools
- Supports safe operation by keeping key assemblies firmly fastened
Typical Applications:
Used during routine servicing or repairs to replace missing, damaged, or stripped screws on compatible Husqvarna chainsaws and trimmers. Common tasks include refitting covers, handles, guards, and engine-related housings after cleaning, replacing filters, or changing parts. Ideal for workshop, site, arborist, and DIY maintenance where a correct OEM fastener is required to restore integrity and reliability.
Also known as:
Chainsaw fastener, mounting screw, fixing bolt, machine screw, equipment fastener, cover screw, housing screw, replacement bolt, service screw.
Fits Models:
135, 135E, 135R, 136, 140, 140E, 327 LS, 327LS, 327PT5S, 330i, 336FR, 336FRD, 336RK, 340, 346 XP, 346XP, 353, 357XP, 359, 435, 435 E, 435E, 435EII, 435II, 436LI, 440E, 440EII, 440II, 445, 445 E, 445 II, 445E, 445EII, 445II, 450, 450 E, 450E, 450EII, 455 Rancher, 455 Rancher II, 455 RancherII, 455E, 455E Rancher II, 455E Rancher II TrioBrake, 455E TrioBrake, 455ERancherII, 455ETrioBrake, 460, 461, 465 Rancher II, 465RancherII, 520iHD60, 535i XP, 535iXP, 536Li XP, 536LiHD60X, 536LiHD70X, 536LiXP, CS2150, CS390
Alternate Part Numbers:
503 21 88-76, 503218876
Product Specifications
| L&S Part No. | 503 21 88 76 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503218876 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 135R, 136, 140, 140E, 327 LS, 327LS, 327PT5S, 330i, 336FR, 336FRD, 336RK, 340, 346 XP, 346XP, 353, 357XP, 359, 435, 435 E, 435E, 435EII, 435II, 436LI, 440E, 440EII, 440II, 445, 445 E, 445 II, 445E, 445EII, 445II, 450, 450 E, 450E, 450EII, 455 Rancher, 455 Rancher II, 455 RancherII, 455E, 455E Rancher II, 455E Rancher II TrioBrake, 455E TrioBrake, 455ERancherII, 455ETrioBrake, 460, 461, 465 Rancher II, 465RancherII, 520iHD60, 535i XP, 535iXP, 536Li XP, 536LiHD60X, 536LiHD70X, 536LiXP, CS2150, CS390 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 136 | 340 | 135 | 536LiHD60X | 536LiHD70X | 135E | 140E | 327PT5S | 346XP | 353 | 357XP | 359 | 435 | 435E | 435EII | 435II | 436LI | 440E | 440EII | 440II | 445 | 445E | 445EII | 445II | 450 | 450EII | 455E | 455E RANCHER II | 455E RANCHER II TRIOBRAKE | 455E TRIOBRAKE | 455 RANCHER | 455 RANCHER II | 460 | 461 | 465 RANCHER II | 536LIXP | 135R | 336FR | 336FRD, 336RK | 327 LS | 535i XP | 330i | 436Li | 536Li XP | 520iHD60 |
