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Champion 841-1 Spark Plug
Reliable Spark Plug for Cadillac, Chevrolet, Jeep, and More
The Champion Copper Plus 841-1 spark plug is designed to provide consistent ignition performance for a range of vehicles including Cadillac, Chevrolet, Fiat, Jeep, and Pontiac models. Engineered with durable nickel components, this spark plug supports efficient combustion and reliable engine starts.
- Standard replacement spark plug with part number 841-1
- Nickel center electrode tip and ground electrode for durability
- Pre-gapped to 0.030 inches (0.76 mm) for optimal spark
- Flat seat type with a 0.375 inch reach
- Removable nut electrical terminal type for easy installation
- Hex size of 0.813 inches (20.65 mm) for standard wrench compatibility
- Manufacturer heat range rating of 8
- Compatible with multiple vehicle makes and models including Chevrolet Camaro, Cadillac DeVille, Jeep CJ5, and Pontiac Bonneville
About the Champion Copper Plus Spark Plug Line
The Copper Plus line from Champion is designed to offer reliable ignition performance using a copper core for improved conductivity. This line focuses on standard replacement spark plugs that maintain engine efficiency and smooth operation. The 841-1 spark plug benefits from this technology by combining a nickel copper alloy ground electrode and a nickel center electrode tip, ensuring consistent spark delivery and durability in small engine applications.
Technical Details and Features
The Champion Copper Plus 841-1 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, which provide a balance of durability and conductivity. The spark plug is pre-gapped at 0.030 inches (0.76 mm) to meet manufacturer specifications, reducing the need for adjustment during installation. It has a flat seat design and a reach of 0.375 inches, suitable for various engine configurations. The removable nut electrical terminal type allows for straightforward connection to ignition wires, while the hex size of 0.813 inches (20.65 mm) fits common spark plug sockets.
Applications and Problem Solving
- Compatible with Cadillac, Chevrolet, Fiat, Jeep, and Pontiac vehicles including models like Camaro, DeVille, CJ5, and Bonneville
- Addresses issues such as misfires and rough idling caused by worn or faulty spark plugs
- Helps restore engine starting reliability and smooth acceleration
- Reduces fouling and electrode wear in standard replacement scenarios
- Supports consistent combustion for improved fuel efficiency
Installation Notes and Tips
Before installation, verify the spark plug gap is set to 0.030 inches (0.76 mm) as specified. Use a 0.813 inch (20.65 mm) socket wrench for proper tightening. The flat seat design requires careful torque application to avoid damage to the cylinder head. The removable nut terminal allows for easy connection to ignition wires, but ensure secure attachment to prevent electrical issues. Always consult the vehicleβs service manual for specific torque values and installation procedures.
Quality Assurance and Warranty
Champion Copper Plus spark plugs are manufactured to meet OEM specifications and undergo rigorous quality control to ensure consistent performance. The 841-1 spark plug is classified under Champion copper plus small engine products, reflecting its suitability for a range of automotive applications. While no specific warranty information is provided, Champion products typically adhere to industry standards for durability and reliability.
| Brand | Champion |
| Part Number | 841-1 |
| Position | Copper Plus |
| Ground Electrode Core Material | Nickel |
| Washer Included | Yes |
| Grade Type | Standard replacement |
| Electrical Terminal Type | Removable nut |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.030 |
| Pre-Gap Size | 0.76 |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.813 |
| Hex Size | 20.650 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 0.375 |
| Resistor Type | No |
| Ground Electrode Tip Material | Nickel |
| Hex Type | Hex |
| Center Electrode Design | Standard |
| 9745 | Crush |
| 9746 | No |
| Center Electrode Diameter (Inch) | 0.1 |
| Classification | Champion copper plus small engine |
| Ground Electrode Material | Nickel copper alloy |
| Installed Height (Inch) | 2.24 |
| Part Description | Spark plug |
| Plug Type | J8c |
| Taper Diameter (Inch) | 0.25 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
This part fits 127 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1973 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1972 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1971 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1970 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1969 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1968 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1968 | Chevrolet | Camaro | 4.9L | V8 | N/A | Copper Plus |
| 1968 | Chevrolet | Caprice | 5.3L | V8 | N/A | Copper Plus |
| 1968 | Chevrolet | Corvette | 5.4L | V8 | N/A | Copper Plus |
| 1968 | Chevrolet | Impala | 5.4L | V8 | N/A | Copper Plus |
| 1968 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1968 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1968 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1967 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1967 | Chevrolet | Camaro | 4.9L | V8 | N/A | Copper Plus |
| 1967 | Chevrolet | Caprice | 5.3L | V8 | N/A | Copper Plus |
| 1967 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1967 | Chevrolet | Impala | 5.4L | V8 | N/A | Copper Plus |
| 1967 | GMC | G15/G1500 Van | 4.6L | V8 | N/A | Copper Plus |
| 1967 | GMC | G25/G2500 Van | 4.6L | V8 | N/A | Copper Plus |
| 1967 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1967 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1967 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Copper Plus |
| 1966 | Cadillac | DeVille | 7.0L | V8 | N/A | Copper Plus |
| 1966 | Cadillac | Eldorado | 7.0L | V8 | N/A | Copper Plus |
| 1966 | Cadillac | Fleetwood | 7.0L | V8 | N/A | Copper Plus |
| 1966 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Chevrolet | Caprice | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Chevrolet | Impala | 5.4L | V8 | N/A | Copper Plus |
| 1966 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1966 | Pontiac | Acadian | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1966 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1965 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Copper Plus |
| 1965 | Cadillac | DeVille | 7.0L | V8 | N/A | Copper Plus |
| 1965 | Cadillac | Eldorado | 7.0L | V8 | N/A | Copper Plus |
| 1965 | Cadillac | Fleetwood | 7.0L | V8 | N/A | Copper Plus |
| 1965 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1965 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1965 | Chevrolet | Impala | 5.4L | V8 | N/A | Copper Plus |
| 1965 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1965 | Pontiac | Acadian | 5.3L | V8 | N/A | Copper Plus |
| 1965 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1965 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1964 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Copper Plus |
| 1964 | Cadillac | DeVille | 7.0L | V8 | N/A | Copper Plus |
| 1964 | Cadillac | Eldorado | 7.0L | V8 | N/A | Copper Plus |
| 1964 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1964 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1964 | Chevrolet | Impala | 5.4L | V8 | N/A | Copper Plus |
| 1964 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1964 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1964 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1963 | Cadillac | Commercial Chassis | 6.4L | V8 | N/A | Copper Plus |
| 1963 | Cadillac | DeVille | 6.4L | V8 | N/A | Copper Plus |
| 1963 | Cadillac | Eldorado | 6.4L | V8 | N/A | Copper Plus |
| 1963 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1963 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1963 | Chevrolet | Impala | 5.3L | V8 | N/A | Copper Plus |
| 1963 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1963 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1963 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1962 | Cadillac | Commercial Chassis | 6.4L | V8 | N/A | Copper Plus |
| 1962 | Cadillac | DeVille | 6.4L | V8 | N/A | Copper Plus |
| 1962 | Cadillac | Eldorado | 6.4L | V8 | N/A | Copper Plus |
| 1962 | Chevrolet | Bel Air | 5.3L | V8 | N/A | Copper Plus |
| 1962 | Chevrolet | Corvette | 5.3L | V8 | N/A | Copper Plus |
| 1962 | Chevrolet | Impala | 5.3L | V8 | N/A | Copper Plus |
| 1962 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1962 | Pontiac | Laurentian | 5.3L | V8 | N/A | Copper Plus |
| 1962 | Pontiac | Parisienne | 5.3L | V8 | N/A | Copper Plus |
| 1961 | Cadillac | Commercial Chassis | 6.4L | V8 | N/A | Copper Plus |
| 1961 | Cadillac | DeVille | 6.4L | V8 | N/A | Copper Plus |
| 1961 | Cadillac | Eldorado | 6.4L | V8 | N/A | Copper Plus |
| 1961 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1961 | Chevrolet | Impala | 3.8L | L6 | N/A | Copper Plus |
| 1961 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1960 | Cadillac | Commercial Chassis | 6.4L | V8 | N/A | Copper Plus |
| 1960 | Cadillac | DeVille | 6.4L | V8 | N/A | Copper Plus |
| 1960 | Cadillac | Eldorado | 6.4L | V8 | N/A | Copper Plus |
| 1960 | Chevrolet | Bel Air | 3.9L | L6 | N/A | Copper Plus |
| 1960 | Chevrolet | Corvette | 4.6L | V8 | N/A | Copper Plus |
| 1960 | Chevrolet | El Camino | 4.6L | V8 | N/A | Copper Plus |
| 1960 | Chevrolet | Impala | 3.8L | L6 | N/A | Copper Plus |
| 1960 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1959 | Cadillac | Commercial Chassis | 6.4L | V8 | N/A | Copper Plus |
| 1959 | Cadillac | DeVille | 6.4L | V8 | N/A | Copper Plus |
| 1959 | Cadillac | Eldorado | 6.4L | V8 | N/A | Copper Plus |
| 1959 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1959 | Chevrolet | Corvette | 4.6L | V8 | N/A | Copper Plus |
| 1959 | Chevrolet | El Camino | 4.6L | V8 | N/A | Copper Plus |
| 1959 | Chevrolet | Impala | 3.8L | L6 | N/A | Copper Plus |
| 1959 | Jeep | CJ5 | 2.2L | L4 | N/A | Copper Plus |
| 1959 | Pontiac | Bonneville | 6.4L | V8 | N/A | Copper Plus |
| 1959 | Pontiac | Catalina | 6.4L | V8 | N/A | Copper Plus |
| 1959 | Pontiac | Laurentian | 5.7L | V8 | N/A | Copper Plus |
| 1959 | Pontiac | Parisienne | 4.6L | V8 | N/A | Copper Plus |
| 1958 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1958 | Chevrolet | Corvette | 4.6L | V8 | N/A | Copper Plus |
| 1958 | Chevrolet | Impala | 3.8L | L6 | N/A | Copper Plus |
| 1958 | Pontiac | Bonneville | 6.1L | V8 | N/A | Copper Plus |
| 1958 | Pontiac | Catalina | 6.1L | V8 | N/A | Copper Plus |
| 1958 | Pontiac | Laurentian | 5.7L | V8 | N/A | Copper Plus |
| 1957 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1957 | Pontiac | Bonneville | 5.7L | V8 | N/A | Copper Plus |
| 1957 | Pontiac | Catalina | 5.7L | V8 | N/A | Copper Plus |
| 1957 | Pontiac | Laurentian | 4.3L | V8 | N/A | Copper Plus |
| 1956 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1956 | Chevrolet | Corvette | 4.3L | V8 | N/A | Copper Plus |
| 1956 | Pontiac | Catalina | 5.2L | V8 | N/A | Copper Plus |
| 1956 | Pontiac | Laurentian | 4.3L | V8 | N/A | Copper Plus |
| 1955 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1955 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1955 | Pontiac | Catalina | 4.7L | V8 | N/A | Copper Plus |
| 1955 | Pontiac | Laurentian | 4.3L | V8 | N/A | Copper Plus |
| 1954 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Copper Plus |
| 1954 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1953 | Chevrolet | Bel Air | 3.9L | L6 | N/A | Copper Plus |
| 1953 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1952 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1951 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1950 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1949 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1948 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
| 1947 | Fiat | 500 | 0.6L | L4 | N/A | Copper Plus |
* 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.