USC 516025 Direct-Fit Pre-Cat Catalytic Converter – 1999-2004 Toyota 4Runner / Tacoma / Tundra 3.4L V6 [Front]

USC 516025 Direct-Fit Pre-Cat Catalytic Converter – 1999-2004 Toyota 4Runner / Tacoma / Tundra 3.4L V6 [Front]

Sale price  $339.00 Regular price  $378.65
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USC 516025 Direct-Fit Pre-Cat Catalytic Converter – 1999-2004 Toyota 4Runner / Tacoma / Tundra 3.4L V6 [Front]

USC 516025 Direct-Fit Pre-Cat Catalytic Converter – 1999-2004 Toyota 4Runner / Tacoma / Tundra 3.4L V6 [Front]

Sale price  $339.00 Regular price  $378.65

FULL LOAD CONVERTER

USC Part #516025 | Direct-Fit Pre-Cat Catalytic Converter | 1999–2004 Toyota 4Runner / Tacoma / Tundra 3.4L V6 [Front]

Upgrade your Toyota's exhaust system with confidence. The USC 516025 is a precision-engineered, direct-fit pre-cat 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 PremTech 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 516025
Catalyst Technology PremTech
Type Federal / EPA Direct Fit Pre-Cat
Substrate Material Ceramic
Inlet Type 3-Bolt Welded Flange
Outlet Type 2-Bolt Welded Flange
Inlet Gasket 1 Included
Outlet Gasket 1 Included
O2 Ports 1
Weight 7.71 lbs
Dimensions (L × W × H) 16.13" × 11.00" × 6.00"

Vehicle Fitment

  • 1999–2000 Toyota 4Runner Limited 3.4L V6 [Front]
  • 1999–2000 Toyota 4Runner SR5 3.4L V6 [Front]
  • 2001–2002 Toyota 4Runner [Front]
  • 2000–2004 Toyota Tacoma 3.4L V6 [Front]
  • 2000–2004 Toyota Tundra Base & SR5 3.4L V6 [Front]

Interchange / Cross-Reference

AP Exhaust 642194
Davico Mfg 18165
Eastern Exhaust 40364
MagnaFlow 23759
Toyota OEM 17410-07040, 17410-07041
Walker Exhaust 52297

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