HomeEmission Control > SensorsDenso 234-3011 Oxygen Sensor - Upstream
Part #: 234-3011

Denso 234-3011 Oxygen Sensor - Upstream

OE Style, Upstream
48 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Upstream
Fitment: Chevrolet, GMC, Buick, Oldsmobile, and Pontiac, G30, Astro, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, G10, G20, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, G1500, G2500, G3500, Safari, Yukon, LeSabre, Park Avenue, Regal, Lumina APV, 88, 98, Silhouette, Bonneville, and Trans Sport
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Overview of the Denso OE Style Oxygen Sensor 234-3011

The Denso OE Style Oxygen Sensor 234-3011 is designed for specific vehicle applications including Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. This heated oxygen sensor features a 13.98-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable performance.

  • Heated oxygen sensor for accurate emissions control
  • Specific fit for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles
  • 13.98-inch wiring harness length for optimal installation
  • Threaded mounting with 0.708-inch thread diameter
  • Three-wire configuration with female connector

Detailed Product Features and Specifications

The Denso 234-3011 oxygen sensor is a heated sensor designed to provide accurate readings of oxygen levels in the exhaust system. Its 13.98-inch wiring harness length allows for proper routing and connection within the engine bay. The sensor uses a threaded mounting type with a 0.708-inch thread diameter, ensuring a secure and leak-free installation. Featuring a three-wire setup and a female connector, this sensor is engineered for specific fitment, compatible with various models such as the Chevrolet C1500, GMC Yukon, Buick LeSabre, and Pontiac Bonneville.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is manufactured to match the fit, form, and function of the factory-installed sensor, providing a direct replacement without modification. The OE Style designation ensures compatibility and performance consistent with the original sensor installed on your vehicle.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture readings for engine control units
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing accurate emissions data
  • Reduces harmful exhaust emissions by maintaining sensor accuracy
  • Prevents drivability issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Denso 234-3011 oxygen sensor, ensure the engine is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the sensor’s connector matches the vehicle’s female connector and confirm the thread diameter fits the mounting port. Proper torque specifications should be followed to prevent leaks or sensor damage.

Quality Assurance and Warranty

Denso manufactures the 234-3011 oxygen sensor to meet strict quality standards, ensuring reliable performance and durability. The OE Style product line is designed to meet or exceed OEM specifications. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.

BrandDenso
Part Number234-3011
PositionOE Style, Upstream
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity3
Wiring Harness Length13.98

This part fits 48 vehicles. Search below:

YearMakeModelPositionNotes
1996ChevroletG30UpstreamOE Style
1995ChevroletAstroUpstreamOE Style
1995ChevroletC1500Upstream3 Lead Sensor; OE Style
1995ChevroletC1500UpstreamOE Style
1995ChevroletC1500 SuburbanUpstream3 Lead Sensor; OE Style
1995ChevroletC2500Upstream3 Lead Sensor; OE Style
1995ChevroletC2500UpstreamOE Style
1995ChevroletC2500 SuburbanUpstream3 Lead Sensor; OE Style
1995ChevroletC3500Upstream3 Lead Sensor; OE Style
1995ChevroletG10UpstreamOE Style
1995ChevroletG20UpstreamOE Style
1995ChevroletG30UpstreamOE Style
1995ChevroletK1500Upstream3 Lead Sensor; OE Style
1995ChevroletK1500UpstreamOE Style
1995ChevroletK1500 SuburbanUpstream3 Lead Sensor; OE Style
1995ChevroletK2500Upstream3 Lead Sensor; OE Style
1995ChevroletK2500UpstreamOE Style
1995ChevroletK2500 SuburbanUpstream3 Lead Sensor; OE Style
1995ChevroletK3500Upstream3 Lead Sensor; OE Style
1995ChevroletTahoeUpstream3 Lead Sensor; OE Style
1995GMCC1500Upstream3 Lead Sensor; OE Style
1995GMCC1500UpstreamOE Style
1995GMCC1500 SuburbanUpstream3 Lead Sensor; OE Style
1995GMCC2500Upstream3 Lead Sensor; OE Style
1995GMCC2500UpstreamOE Style
1995GMCC2500 SuburbanUpstream3 Lead Sensor; OE Style
1995GMCC3500Upstream3 Lead Sensor; OE Style
1995GMCG1500UpstreamOE Style
1995GMCG2500UpstreamOE Style
1995GMCG3500UpstreamOE Style
1995GMCK1500Upstream3 Lead Sensor; OE Style
1995GMCK1500UpstreamOE Style
1995GMCK1500 SuburbanUpstream3 Lead Sensor; OE Style
1995GMCK2500Upstream3 Lead Sensor; OE Style
1995GMCK2500UpstreamOE Style
1995GMCK2500 SuburbanUpstream3 Lead Sensor; OE Style
1995GMCK3500Upstream3 Lead Sensor; OE Style
1995GMCSafariUpstreamOE Style
1995GMCYukonUpstream3 Lead Sensor; OE Style
1993BuickLeSabreUpstream3 Lead Sensor; OE Style
1993BuickPark AvenueUpstreamOE Style
1993BuickRegalUpstream3 Lead Sensor; OE Style
1993ChevroletLumina APVUpstreamOE Style
1993Oldsmobile88Upstream3 Lead Sensor; OE Style
1993Oldsmobile98Upstream3 Lead Sensor; OE Style
1993OldsmobileSilhouetteUpstreamOE Style
1993PontiacBonnevilleUpstream3 Lead Sensor; OE Style
1993PontiacTrans SportUpstream3 Lead Sensor; OE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

AFS76

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.