RLB-HILON Rear Vent Window Latch for Silverado/Sierra Extended Cab – OEM 12474945, Single Replacement

RLB-HILON's Extended Cab Rear Vent Window Latch (OEM 12474945) is a direct-fit replacement part that restores secure vent window operation on 1999–2007 Silverado and Sierra extended cab trucks.

If your truck's rear vent window latch is worn, broken, or missing, this replacement latch from RLB-HILON is made to match the original fit and function for extended cab models. It is offered as a single-piece unit intended for rear glass door vent windows and lists OEM number 12474945 for reference, helping you confirm compatibility before purchase.

Will this latch fit my Silverado or Sierra extended cab?

This latch is designed specifically for extended cab rear vent windows on Chevrolet Silverado and GMC Sierra models from 1999 through 2007. Use the OEM number 12474945 to verify fitment against your existing part or vehicle paperwork.

• Compatible with Chevrolet Silverado 1500, 2500 HD, 3500 (1999–2007)
• Compatible with GMC Sierra 1500, 2500 HD, 3500 (1999–2007)
• Intended for extended cab rear glass vent window only
• Verify by matching OEM 12474945 before ordering

How easy is it to install this replacement vent window latch?

The latch is a direct replacement designed to follow the original mounting points and geometry, which can simplify swap-in installation for someone with basic hand tools and experience. Installation instructions are not included, so having a repair manual or step guide for your truck is helpful.

• Sold as 1PC — single replacement latch
• No installation instructions included—use factory manual or online guides
• Standard fasteners and trim removal tools typically required
• Expect a bolt-on swap if your original latch shares the same OEM number

What should I check before buying this vent latch?

Confirm that your truck is an extended cab model and that the damaged part corresponds to the OEM number 12474945. Inspect the existing latch for mounting points and dimensions so the replacement matches the original hardware and door assembly.

• Compare current part to OEM NO.: 12474945
• Ensure your vehicle year and model match the compatibility list
• Check condition of surrounding trim and fasteners for reuse
• Order additional clips or screws separately if missing

What comes in the package and what's not included?

The product ships as one rear glass door vent latch ready to install, but it does not include installation instructions or additional trim pieces. If your truck requires new hardware, plan to source bolts or clips separately.

• Package includes: 1PC Rear Glass Door Window Vent Latch
• Installation instructions are not provided
• Additional hardware (clips, screws) may be needed depending on vehicle condition
• OEM reference 12474945 listed to confirm fit

Who is this for: This RLB-HILON latch is aimed at owners and technicians restoring or repairing extended cab Chevrolet Silverado and GMC Sierra trucks from the 1999–2007 model years who need an accurate, OEM-referenced replacement for a rear vent window latch. It's suitable for DIY mechanics comfortable with door trim removal and part verification, as well as professional shops performing routine body or glass repairs.