Skip to product information
Usually ships in 2–4 business days.
Underseat Storage Box For 1999 2006 Chevy Gmc Silverado Sierra Extended Cab
$230.69
Sale price
$230.69
Regular price
Available to Order
This Underseat Storage Box is a storage solution compatible with 1999-2006 Chevy/GMC Silverado and Sierra Extended Cab models.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This underseat storage box provides convenient hidden storage for your Chevy Silverado or GMC Sierra extended cab. It maximizes space under the rear seat for tools, emergency supplies, and valuables. Designed specifically for 1999-2006 models, it fits perfectly without modifying your truck.
Key Features & Performance
- Durable construction holds up to heavy items
- Easy installation using existing mounting points
- Secure latch keeps contents safe
- Ample storage capacity for tools and gear
- Fits perfectly under the rear seat
- Black textured finish blends with interior
Fitment & Compatibility
- 1999-2006 Chevy Silverado Extended Cab
- 1999-2006 GMC Sierra Extended Cab
Common Uses
- Storing tools and equipment
- Keeping emergency roadside kits
- Organizing personal items
- Securing valuables out of sight
Frequently Asked Questions
Q: Will this fit my 2004 GMC Sierra extended cab? A: Yes, it is designed for 1999-2006 GMC Sierra extended cab models.
Q: Does it require drilling? A: No, it uses existing mounting points for a simple bolt-on installation.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.