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Denso 234-2001 Oxygen Sensor - Upstream
Overview of Denso OE Style Oxygen Sensor 234-2001
The Denso OE Style Oxygen Sensor 234-2001 is designed specifically for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. This non-heated oxygen sensor features a 14.8-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable emission control performance.
- Non-heated oxygen sensor with 2-wire configuration
- Specific fit for various GM makes and models
- 14.80-inch wiring harness length for optimal installation
- Male connector with 0.708-inch thread diameter
- Threaded mounting type for secure attachment
Detailed Product Description
The Denso 234-2001 oxygen sensor is engineered to meet the exact specifications of original equipment for a range of GM vehicles including Buick LeSabre, Chevrolet Camaro, Cadillac DeVille, Pontiac Firebird, and more. This sensor uses a non-heated design with two wires and a male connector, providing accurate oxygen level readings to the engine control unit. The 14.80-inch wiring harness length allows for proper routing and connection without excess slack or tension. Its threaded mounting type and 0.708-inch thread diameter ensure a secure and leak-free installation in the exhaust system.
This oxygen sensor is part of Denso's OE Style product line, which focuses on delivering components that closely replicate original equipment specifications. The OE Style line is intended for direct replacement applications, offering compatibility and performance that align with factory standards.
Applications and Common Issues Addressed
- Restores accurate air-fuel mixture readings for improved engine efficiency
- Resolves check engine light triggers related to oxygen sensor faults
- Helps reduce emissions by providing precise exhaust gas data
- Corrects poor fuel economy caused by faulty sensor signals
- Eliminates rough idling or engine hesitation linked to sensor malfunction
Installation Notes and Tips
- Ensure vehicle compatibility by verifying make, model, and year before installation
- Use appropriate tools to avoid damaging the sensor threads during mounting
- Disconnect the battery before sensor replacement to prevent electrical issues
- Check wiring harness length and connector type for proper fitment
- Follow manufacturer torque specifications to secure the sensor
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The 234-2001 sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Denso products typically include a limited warranty against defects in materials and workmanship, providing confidence in the sensor's longevity and function.
| Brand | Denso |
|---|---|
| Part Number | 234-2001 |
| Position | OE Style, Upstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Non Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 2 |
| Wiring Harness Length | 14.80 |
This part fits 180 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Cadillac | DeVille | Upstream | OE Style |
| 1994 | Cadillac | DeVille | Upstream | OE Style |
| 1993 | Cadillac | 60 Special | Upstream | OE Style |
| 1993 | Cadillac | DeVille | Upstream | OE Style |
| 1993 | Cadillac | Eldorado | Upstream | OE Style |
| 1993 | Cadillac | Seville | Upstream | OE Style |
| 1992 | Cadillac | Allante | Upstream | OE Style |
| 1992 | Cadillac | DeVille | Upstream | OE Style |
| 1992 | Cadillac | Eldorado | Upstream | OE Style |
| 1992 | Cadillac | Fleetwood | Upstream | OE Style |
| 1992 | Cadillac | Seville | Upstream | OE Style |
| 1991 | Cadillac | Allante | Upstream | OE Style |
| 1991 | Cadillac | DeVille | Upstream | OE Style |
| 1991 | Cadillac | Eldorado | Upstream | OE Style |
| 1991 | Cadillac | Fleetwood | Upstream | OE Style |
| 1991 | Cadillac | Seville | Upstream | OE Style |
| 1990 | Cadillac | Allante | Upstream | OE Style |
| 1990 | Cadillac | DeVille | Upstream | OE Style |
| 1990 | Cadillac | Eldorado | Upstream | OE Style |
| 1990 | Cadillac | Fleetwood | Upstream | OE Style |
| 1990 | Cadillac | Seville | Upstream | OE Style |
| 1989 | Cadillac | Allante | Upstream | OE Style |
| 1989 | Cadillac | DeVille | Upstream | OE Style |
| 1989 | Cadillac | Eldorado | Upstream | OE Style |
| 1989 | Cadillac | Fleetwood | Upstream | OE Style |
| 1989 | Cadillac | Seville | Upstream | OE Style |
| 1988 | Cadillac | Allante | Upstream | OE Style |
| 1988 | Cadillac | DeVille | Upstream | OE Style |
| 1988 | Cadillac | Eldorado | Upstream | OE Style |
| 1988 | Cadillac | Fleetwood | Upstream | OE Style |
| 1988 | Cadillac | Seville | Upstream | OE Style |
| 1987 | Cadillac | Allante | Upstream | OE Style |
| 1987 | Cadillac | Eldorado | Upstream | OE Style |
| 1987 | Cadillac | Fleetwood | Upstream | 2 Lead Sensor; OE Style |
| 1986 | Cadillac | Fleetwood | Upstream | 2 Lead Sensor; OE Style |
| 1984 | Cadillac | Commercial Chassis | Upstream | OE Style |
| 1984 | Cadillac | DeVille | Upstream | OE Style |
| 1984 | Cadillac | Eldorado | Upstream | OE Style |
| 1984 | Cadillac | Fleetwood | Upstream | OE Style |
| 1984 | Cadillac | Seville | Upstream | OE Style |
| 1983 | Cadillac | Commercial Chassis | Upstream | OE Style |
| 1983 | Cadillac | DeVille | Upstream | OE Style |
| 1983 | Cadillac | Eldorado | Upstream | OE Style |
| 1983 | Cadillac | Fleetwood | Upstream | OE Style |
| 1983 | Cadillac | Seville | Upstream | OE Style |
| 1982 | Buick | Skyhawk | Upstream | OE Style |
| 1982 | Cadillac | Commercial Chassis | Upstream | OE Style |
| 1982 | Cadillac | DeVille | Upstream | 2 Lead Sensor; OE Style |
| 1982 | Cadillac | Eldorado | Upstream | 2 Lead Sensor; OE Style |
| 1982 | Cadillac | Fleetwood | Upstream | 2 Lead Sensor; OE Style |
| 1982 | Cadillac | Seville | Upstream | 2 Lead Sensor; OE Style |
| 1982 | Oldsmobile | Firenza | Upstream | OE Style |
| 1982 | Pontiac | J2000 | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Buick | Century | Upstream | OE Style |
| 1981 | Buick | LeSabre | Upstream | OE Style |
| 1981 | Buick | Regal | Upstream | OE Style |
| 1981 | Buick | Riviera | Upstream | OE Style |
| 1981 | Buick | Skylark | Upstream | OE Style |
| 1981 | Cadillac | Commercial Chassis | Upstream | OE Style |
| 1981 | Cadillac | DeVille | Upstream | OE Style |
| 1981 | Cadillac | Eldorado | Upstream | OE Style |
| 1981 | Cadillac | Fleetwood | Upstream | OE Style |
| 1981 | Cadillac | Seville | Upstream | OE Style |
| 1981 | Chevrolet | Bel Air | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Camaro | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Caprice | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Chevette | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Citation | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Corvette | Upstream | OE Style |
| 1981 | Chevrolet | El Camino | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Impala | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | LUV | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Malibu | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Chevrolet | Monte Carlo | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Oldsmobile | 98 | Upstream | OE Style |
| 1981 | Oldsmobile | Custom Cruiser | Upstream | OE Style |
| 1981 | Oldsmobile | Cutlass | Upstream | OE Style |
| 1981 | Oldsmobile | Cutlass Calais | Upstream | OE Style |
| 1981 | Oldsmobile | Cutlass Cruiser | Upstream | OE Style |
| 1981 | Oldsmobile | Cutlass Supreme | Upstream | OE Style |
| 1981 | Oldsmobile | Delta 88 | Upstream | OE Style |
| 1981 | Oldsmobile | Omega | Upstream | OE Style |
| 1981 | Oldsmobile | Toronado | Upstream | OE Style |
| 1981 | Pontiac | Acadian | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Bonneville | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Catalina | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Firebird | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Grand LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Grand Prix | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Laurentian | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Parisienne | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | Phoenix | Upstream | 2 Lead Sensor; OE Style |
| 1981 | Pontiac | T1000 | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Buick | Century | Upstream | OE Style |
| 1980 | Buick | LeSabre | Upstream | OE Style |
| 1980 | Buick | Regal | Upstream | OE Style |
| 1980 | Buick | Riviera | Upstream | OE Style |
| 1980 | Buick | Skyhawk | Upstream | OE Style |
| 1980 | Buick | Skylark | Upstream | OE Style |
| 1980 | Cadillac | Commercial Chassis | Upstream | OE Style |
| 1980 | Cadillac | DeVille | Upstream | OE Style |
| 1980 | Cadillac | Eldorado | Upstream | OE Style |
| 1980 | Cadillac | Fleetwood | Upstream | OE Style |
| 1980 | Cadillac | Seville | Upstream | OE Style |
| 1980 | Chevrolet | Camaro | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Caprice | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Chevette | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Citation | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Corvette | Upstream | OE Style |
| 1980 | Chevrolet | El Camino | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Impala | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | LUV | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Malibu | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Monte Carlo | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Chevrolet | Monza | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Oldsmobile | 98 | Upstream | OE Style |
| 1980 | Oldsmobile | Custom Cruiser | Upstream | OE Style |
| 1980 | Oldsmobile | Cutlass | Upstream | OE Style |
| 1980 | Oldsmobile | Cutlass Calais | Upstream | OE Style |
| 1980 | Oldsmobile | Cutlass Cruiser | Upstream | OE Style |
| 1980 | Oldsmobile | Cutlass Salon | Upstream | OE Style |
| 1980 | Oldsmobile | Cutlass Supreme | Upstream | OE Style |
| 1980 | Oldsmobile | Delta 88 | Upstream | OE Style |
| 1980 | Oldsmobile | Omega | Upstream | OE Style |
| 1980 | Oldsmobile | Starfire | Upstream | OE Style |
| 1980 | Oldsmobile | Toronado | Upstream | OE Style |
| 1980 | Pontiac | Acadian | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Bonneville | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Catalina | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Firebird | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Grand Am | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Grand LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Grand Prix | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Laurentian | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Parisienne | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Phoenix | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Sunbird | Upstream | 2 Lead Sensor; OE Style |
| 1980 | Pontiac | Sunbird | Upstream | OE Style |
| 1979 | Buick | Century | Upstream | OE Style |
| 1979 | Buick | LeSabre | Upstream | OE Style |
| 1979 | Buick | Regal | Upstream | OE Style |
| 1979 | Buick | Riviera | Upstream | OE Style |
| 1979 | Buick | Skyhawk | Upstream | OE Style |
| 1979 | Buick | Skylark | Upstream | OE Style |
| 1979 | Chevrolet | El Camino | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Chevrolet | Malibu | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Chevrolet | Monte Carlo | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Chevrolet | Monza | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Oldsmobile | 98 | Upstream | OE Style |
| 1979 | Oldsmobile | Custom Cruiser | Upstream | OE Style |
| 1979 | Oldsmobile | Cutlass | Upstream | OE Style |
| 1979 | Oldsmobile | Cutlass Calais | Upstream | OE Style |
| 1979 | Oldsmobile | Cutlass Salon | Upstream | OE Style |
| 1979 | Oldsmobile | Cutlass Supreme | Upstream | OE Style |
| 1979 | Oldsmobile | Delta 88 | Upstream | OE Style |
| 1979 | Oldsmobile | Omega | Upstream | OE Style |
| 1979 | Oldsmobile | Starfire | Upstream | OE Style |
| 1979 | Oldsmobile | Toronado | Upstream | OE Style |
| 1979 | Pontiac | Bonneville | Upstream | OE Style |
| 1979 | Pontiac | Bonneville | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Catalina | Upstream | OE Style |
| 1979 | Pontiac | Catalina | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Firebird | Upstream | OE Style |
| 1979 | Pontiac | Firebird | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Grand Am | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Grand Am | Upstream | OE Style |
| 1979 | Pontiac | Grand LeMans | Upstream | OE Style |
| 1979 | Pontiac | Grand LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Grand Prix | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Laurentian | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Laurentian | Upstream | OE Style |
| 1979 | Pontiac | LeMans | Upstream | OE Style |
| 1979 | Pontiac | LeMans | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Parisienne | Upstream | 2 Lead Sensor; OE Style |
| 1979 | Pontiac | Parisienne | Upstream | OE Style |
| 1979 | Pontiac | Phoenix | Upstream | OE Style |
| 1979 | Pontiac | Sunbird | Upstream | OE Style |
| 1979 | Pontiac | Sunbird | Upstream | 2 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.