Description Husqvarna genuine OEM block. spring guide arm.Husqvarna 505803801Factory genuine Husqvarna part Related Products Spring, Guide Arm | 505691001 MSRP: Was: Now: $33.00 Add to Cart The item has been added Spring, Guide Arm | 505737501 MSRP: Was: Now: $30.30 Add to Cart The item has been added Guide Arm Mounting Block | 505816201 MSRP: Was: Now: $73.60 Add to Cart The item has been added Block, Mounting, Guide Arm | 505613801 MSRP: Was: Now: $68.80 Add to Cart The item has been added Spring, Rear Guide Arm | 505636001 MSRP: Was: Now: $12.00 Add to Cart The item has been added