USC 448003 Direct-Fit Catalytic Converter – 2009-2014 Chevy Silverado / Tahoe / Suburban / Avalanche / Cadillac Escalade

USC 448003 Direct-Fit Catalytic Converter – 2009-2014 Chevy Silverado / Tahoe / Suburban / Avalanche / Cadillac Escalade

Sale price  $497.00 Regular price  $554.67
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USC 448003 Direct-Fit Catalytic Converter – 2009-2014 Chevy Silverado / Tahoe / Suburban / Avalanche / Cadillac Escalade

USC 448003 Direct-Fit Catalytic Converter – 2009-2014 Chevy Silverado / Tahoe / Suburban / Avalanche / Cadillac Escalade

Sale price  $497.00 Regular price  $554.67

FULL LOAD CONVERTER

USC Part #448003 | Direct-Fit Catalytic Converter | 2009–2014 Chevrolet Silverado / Tahoe / Suburban / Avalanche / Cadillac Escalade 4.3L–6.0L V6/V8

Upgrade your GM truck or SUV's exhaust system with confidence. The USC 448003 is a precision-engineered, direct-fit Catalytic converter built to OEM standards — delivering clean emissions, leak-free performance, and long-lasting durability right out of the box.

Features & Benefits

  • OEM Grade Technology: Engineered to meet or exceed OEM construction standards using OE-sized substrates, high-density precious metals, advanced robotic wash coating, and precisely infused alloys for peak catalyst performance and extended product life.
  • Engineered for Tough Applications: Proprietary, application-specific matrix-based ExtrmTech catalyst technology delivers outstanding performance even under the most demanding conditions. Integrates TSB updates and the latest regulatory emissions standards — First Time Right.
  • Precision Perfected: Advanced robotic welding technology ensures a leak-free, exact fit every time.
  • Built to Last: High-strength stainless steel construction, precision laser welding, and advanced catalyst formulations. Every unit undergoes 100% end-of-line inspection and rigorous leak testing.
  • Warranty: Backed by a 5-year / 50,000-mile OEM-equivalent warranty for added peace of mind.

Product Specifications

USC P/N 448003
Catalyst Technology ExtrmTech
Type Federal / EPA Direct Fit
Substrate Material Ceramic
Inlet Type A 3-Bolt Welded Flange
Inlet Type B 3-Bolt Loose Flange
Outlet Type 2.82" OD Normal Ball
Inlet Gaskets 2 Included
O2 Ports 4
Weight 28.00 lbs
Dimensions (L × W × H) 44.00" × 26.00" × 12.00"

Vehicle Fitment

  • 2009–2013 Chevrolet Avalanche 5.3L–6.0L V8 4WD & RWD
  • 2011–2013 Chevrolet Avalanche 5.3L V8 AWD
  • 2009–2013 Chevrolet Silverado 1500 4.3L V6, 4.8L V8, 5.3L V8 & 6.0L V8 – Standard Cab, Extended Cab, Crew Cab 4WD & RWD
  • 2009–2014 Chevrolet Suburban 1500 5.3L–6.0L V8 4WD, AWD & RWD
  • 2009–2014 Chevrolet Tahoe 4.8L–5.3L V8 4WD, AWD & RWD
  • 2010–2013 Cadillac Escalade 6.0L V8 AWD & RWD

Interchange / Cross-Reference

AP Exhaust 642198
Cateran Inc 53263
Davico Mfg 19212
Eastern Exhaust 50434
GMC OEM 15905948, 19418941, 20854454
MagnaFlow 50304
Walker Exhaust 16469

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