3-1171 Roller and carriage

3-1171 Roller and Carriage for Boral and Dowell Mk5C Sliding Doors High-quality plastic carriage with acetal roller and integrated bearing system. Designed specifically for Boral and Dowell Mk5C sliding door tracks. This replacement carriage ensures smooth, reliable operation for residential and commercial sliding door installations. Compatible with Boral Mk5C and Dowell Mk5C door systems. The durable acetal roller minimises friction and wear, extending the lifespan of your sliding door mechanism. Ideal for maintenance, repairs, and upgrades to existing installations. For superior performance, consider upgrading to the 3-1242 carriage assembly. Replacement rollers are available separately as the 3-4140 acetal roller.