sliding door carriage & roller suits J.G Doors 3 - 1121

Adjustable carriage and roller assembly designed for patio door applications. Compatible with JG door systems (model 3-1120). Features a durable plastic carriage paired with an acetal roller equipped with bearing support. The 3-1121 variant is interchangeable with this unit. For roller replacement, use model 3-4145. 

Standard and Express orders are shipped within 1–2 business days, provided they do not contain special-order items. Special-order items may require additional processing time, which will be noted on the product page.