/live/media/CS/CS_511_Fro.jpg)
OE Quality
60-Day Returns
Champion
Copper PlusChampion 511 Spark Plug
| Brand | Champion 511 |
|---|---|
| Center Electrode Diameter (Inch) | 0.1 |
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus Small Engine |
| Electrical Terminal Type | Removable Nut |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Material | Nickel Copper Alloy |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.813 |
| Hex Size | 20.650 |
| Hex Type | Hex |
| Installed Height (Inch) | 2.41 |
| Manufacturer Heat Range | 11 |
| Plug Type | J11C |
| Pre-Gap Size | 0.030 |
| Pre-Gap Size | 0.76 |
| Reach | 0.375 |
| Resistor Type | No |
| Seat Type | Flat |
| Taper Diameter (Inch) | 0.31 |
| Thread Diameter | 0.551 |
| Thread Diameter | 14.000 |
| Product line | Copper Plus |
| Fits | Chevrolet, Dodge, Packard, Plymouth, Nash, Chrysler, DeSoto, Pontiac, Buick, Crosley, Oldsmobile, Vauxhall, Peugeot, Tucker, Hudson, Fargo, Pierce-Arrow, and LaSalle · 74 vehicles |
Copper core electrode. Improves conductivity and heat control for dependable performance.
Nickel electrode materials. Support consistent wear and reliable ignition performance.
Spark plug. Champion Copper Plus design for secondary ignition applications.
Cross-references Anchor 3210, Autolite 46 and Autolite 306 for the same application. See all 32.
$13.14Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Spark Plug options
Champion Copper Plus 511 Spark Plug
Champion Copper Plus 511 is a non-resistor spark plug built for dependable ignition performance in classic Chevrolet, Chrysler, Buick, Oldsmobile, Pontiac, and Corvette applications. Its copper core electrode supports conductivity and heat control, while nickel-based electrode materials help deliver consistent wear characteristics for OE-style service.
Key Features
- Copper core electrode for improved conductivity and heat management
- Nickel center electrode tip and nickel ground electrode core material
- Non-resistor design for original-equipment style ignition systems
- Pre-gapped at 0.030 inch with a flat seat design
- J11C plug type with 14 mm thread diameter and 0.375 inch reach
- Removable nut terminal for common ignition wire connections
- Champion Copper Plus small engine classification
Product Details
The Champion 511 spark plug is part of the Copper Plus line, a product family focused on copper-core construction for steady electrical transfer and controlled operating temperatures. This makes it a practical choice for older ignition systems that call for a non-resistor plug and OE-style fitment. The 511 part number is commonly referenced for vintage Chevrolet El Camino, Bel Air, Impala, and Corvette applications, along with Chrysler, Pontiac, Buick, and Oldsmobile models listed in the fitment data.
This part cross-references Autolite 46 and Champion Spark Plug 297 for the same application.
What It Helps Address
- Hard starting caused by worn or inconsistent spark plugs
- Misfire from degraded electrode surfaces
- Weak ignition performance in non-resistor systems
- Rough idle in classic carbureted engines
- Loss of spark consistency from heat-related plug wear
Installation Notes and Tips
Verify the required plug type, seat style, thread diameter, and reach before installation. This plug is listed with a 0.030 inch pre-gap, while several fitment notes reference OE applications calling for a 0.035 inch gap or 0.025 inch gap depending on engine and model year, so confirm the specification for your exact vehicle before use. Compatible With 1965-1966 Chevrolet El Camino, N/A; 1964 Chevrolet El Camino, N/A; 1957-1962 Chevrolet Bel Air, N/A; 1959-1962 Chevrolet Impala, N/A; 1958-1960 Chevrolet Corvette, N/A; 1937-1942 Chrysler Imperial, N/A; 1941-1954 Chrysler Town & Country, N/A; 1946-1954 Chrysler Newport and New Yorker, N/A; 1950-1954 Pontiac Catalina, N/A; 1950 Buick Roadmaster, N/A; and 1950 Oldsmobile 88 and 98, N/A, based on the fitment data provided.
Quality Assurance
Champion Copper Plus 511 uses a copper-core design with nickel electrode materials to support stable ignition performance and controlled wear in classic applications. The product line is positioned for dependable service in OE-style secondary ignition systems.
This part fits 74 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1966 | Chevrolet | El Camino | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1965 | Chevrolet | El Camino | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1964 | Chevrolet | El Camino | 4.6L | V8 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1962 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1962 | Chevrolet | Impala | 3.8L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1960 | Chevrolet | Corvette | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1959 | Chevrolet | Bel Air | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1959 | Chevrolet | Corvette | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1959 | Chevrolet | Impala | 4.6L | V8 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1958 | Chevrolet | Bel Air | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1958 | Chevrolet | Corvette | 4.6L | V8 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1957 | Chevrolet | Bel Air | 4.6L | V8 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1957 | Chevrolet | Bel Air | 4.6L | V8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1954 | Chrysler | Newport | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1954 | Chrysler | Town & Country | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1954 | Pontiac | Catalina | 4.4L | L8 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1954 | Pontiac | Catalina | 3.9L | L6 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1953 | Chrysler | Newport | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1953 | Chrysler | Town & Country | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1953 | Pontiac | Catalina | 4.4L | L8 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1953 | Pontiac | Catalina | 3.9L | L6 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1952 | Buick | Roadmaster | 5.2L | L8 | N/A | Non-Resistor Type; OE Type; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1952 | Chevrolet | Bel Air | 3.5L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1952 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1952 | Chevrolet | Bel Air | 3.9L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1952 | Chrysler | Newport | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1952 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1952 | Chrysler | Town & Country | 4.3L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1952 | Pontiac | Catalina | 4.4L | L8 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1952 | Pontiac | Catalina | 3.9L | L6 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1951 | Buick | Roadmaster | 5.2L | L8 | N/A | Non-Resistor Type; OE Type; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1951 | Chevrolet | Bel Air | 3.5L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1951 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1951 | Chevrolet | Bel Air | 3.9L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1951 | Chrysler | Newport | 4.1L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1951 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1951 | Pontiac | Catalina | 4.4L | L8 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1951 | Pontiac | Catalina | 3.9L | L6 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1950 | Buick | Roadmaster | 5.2L | L8 | N/A | Non-Resistor Type; OE Type; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1950 | Chevrolet | Bel Air | 3.5L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1950 | Chevrolet | Bel Air | 3.8L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1950 | Chevrolet | Bel Air | 3.9L | L6 | N/A | Non-Resistor Type; OE Type; Gap 0.035 (in); Plug Type Number J11C; Copper Plus |
| 1950 | Chrysler | Imperial | 5.3L | L8 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1950 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1950 | Chrysler | Newport | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1950 | Chrysler | Newport | 4.1L | L6 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1950 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1950 | Chrysler | Town & Country | 5.3L | L8 | N/A | Non-Resistor Type Spark Plug with 0.035 inch gap, OE part number J11C; Copper Plus |
| 1950 | Oldsmobile | 88 | 5.0L | V8 | N/A | Non-Resistor OE Type Spark Plug with 0.030 inch gap and J11C Plug Type Number; Copper Plus |
| 1950 | Oldsmobile | 98 | 5.0L | V8 | N/A | Non-Resistor OE Type Spark Plug with 0.030 inch gap and J11C Plug Type Number; Copper Plus |
| 1950 | Pontiac | Catalina | 4.4L | L8 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1950 | Pontiac | Catalina | 3.9L | L6 | N/A | Non-resistor type spark plug, gap 0.025 inch, plug type number J11C; Copper Plus |
| 1949 | Chrysler | Imperial | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1949 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1949 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1949 | Chrysler | Town & Country | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1948 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1948 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1948 | Chrysler | Town & Country | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1947 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1947 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1947 | Chrysler | Town & Country | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1946 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1946 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1946 | Chrysler | Town & Country | 5.3L | L8 | N/A | Non-resistor type spark plug with a gap of 0.035 inch, plug type number J11C.; Copper Plus |
| 1942 | Chrysler | New Yorker | 5.3L | L8 | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1942 | Chrysler | Town & Country | 4.1L | L6 | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1941 | Chrysler | New Yorker | -L | -- | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1941 | Chrysler | Town & Country | 4.0L | L6 | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1940 | Chrysler | New Yorker | -L | -- | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1939 | Chrysler | Imperial | -L | -- | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1939 | Chrysler | New Yorker | -L | -- | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1938 | Chrysler | Imperial | -L | -- | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| 1937 | Chrysler | Imperial | 4.5L | L8 | N/A | Non-Resistor Type; with Stock Cast Iron Head; Gap 0.025 (in); Plug Type Number J11C; Copper Plus |
| No rows match your filter. | ||||||
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 3210Autolite — 46Autolite — 306Baldwin — B4BENDIX PREMIUM BRAKE SHOES — 357Champion Spark Plug — 297MOOG Driveline Products — 316MOOG Driveline Products — 317149149X298834232MI13211677161371167716A9A9XAR80AT8G6RCJ11J11CJ11JJ11JMR46RJ11W9EW9E0W9ECW10EW10ECW145T3XJ11