HomeIgnition > Hardware, Fasteners and FittingsChampion 129 Spark Plug
Part #: 129

Champion 129 Spark Plug

Copper Plus
139 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$12.99Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Copper Plus
Fitment: Dodge and Ford, Ram 3500, D250, D350, W250, W350, F-500, M300, E-100 Econoline, E-200 Econoline, E-300 Econoline, F-100, F-250, F-350, P-350, P-100, D100 Pickup, D200 Pickup, D300 Pickup, W100 Pickup, W200 Pickup, W300 Pickup, D300 Series, W300 Series, Econoline, Ranchero, and Del Rio Wagon
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Performance for Dodge and Ford Vehicles

The Champion Copper Plus 129 spark plug is engineered to deliver consistent ignition performance for select Dodge and Ford models. Designed with durable nickel and copper alloy components, this spark plug supports efficient combustion and reliable engine operation.

  • Ground electrode core made of nickel for durability
  • Nickel center electrode tip for stable spark delivery
  • Pre-gapped to 0.030 inches (0.78 mm) for optimal ignition
  • Tapered seat type ensuring proper fit and seal
  • Resistor type spark plug to reduce electrical interference
  • Thread diameter of 0.709 inches (18 mm) with 0.429 inch reach
  • Hex size of 0.813 inches (20.65 mm) for standard installation tools
  • Manufacturer heat range of 10 suitable for moderate operating temperatures

Detailed Product Description and Specifications

The Champion Copper Plus 129 spark plug features a nickel copper alloy ground electrode and a nickel center electrode tip, providing a balance of conductivity and wear resistance. Its single ground electrode design and resistor construction help maintain consistent spark quality while minimizing radio frequency interference. The spark plug’s tapered seat and precise thread dimensions (0.709 inch diameter, 0.429 inch reach) ensure a secure fit in compatible engines. The pre-gap size of 0.030 inches (0.78 mm) is factory set to optimize ignition timing and combustion efficiency.

Champion Copper Plus Product Line Overview

The Copper Plus line from Champion focuses on delivering reliable ignition components with copper core technology. Copper cores improve heat dissipation and electrical conductivity compared to standard plugs, which helps maintain stable engine performance over time. The Copper Plus 129 spark plug is part of this line, designed to meet the ignition needs of various Dodge and Ford trucks and vans.

Compatible Vehicles and Common Applications

  • Dodge D250 and D350 trucks
  • Ford E-100 Econoline and Econoline vans
  • Ford F-100, F-250, and F-350 trucks
  • Dodge Ram 3500 pickups
  • Ford W250 and W350 trucks

This spark plug is suitable for secondary ignition systems in these vehicles, helping to address issues such as misfires, rough idling, and poor fuel economy.

Installation Notes and Tips

  • Verify compatibility with your vehicle’s make and model before installation
  • Use a torque wrench to tighten the spark plug to manufacturer specifications
  • Inspect the spark plug hole for debris before installation
  • Do not adjust the pre-gap as it is factory set for optimal performance
  • Replace spark plugs in sets to maintain consistent engine operation

Quality Assurance and Warranty

Champion Copper Plus spark plugs are manufactured to meet industry standards for ignition components. The use of nickel and copper alloy materials ensures durability and reliable performance. While specific warranty details may vary, Champion products typically come with a limited warranty against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.

BrandChampion
Part Number129
PositionCopper Plus
Center Electrode Diameter (Inch)0.11
Center Electrode Tip MaterialNickel
ClassificationChampion Copper Plus
Electrical Terminal TypeNon-Removable Nut
Ground Electrode Core MaterialNickel
Ground Electrode MaterialNickel Copper Alloy
Ground Electrode Quantity1
Hex Size0.813
Hex Size20.650
Hex TypeHex
Installed Height (Inch)2.27
Manufacturer Heat Range10
Plug TypeRF10C
Pre-Gap Size0.030
Pre-Gap Size0.78
Reach0.429
Resistor TypeYes
Seat TypeTapered
Taper Diameter (Inch)0.4
Thread Diameter0.709
Thread Diameter18.000

This part fits 139 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994DodgeRam 35005.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1993DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1993DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1993DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1993DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1992DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1992DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1991DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1991DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1991DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1991DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1990DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1990DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1990DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1990DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1989DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1989DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1989DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1989DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1988DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1988DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1988DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1988DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1987DodgeD2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1987DodgeD3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1987DodgeW2505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1987DodgeW3505.9LV8N/AGap 0.035 (in); Actual OE Part; Plug Type Number RF10C; Copper Plus
1974FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordE-100 Econoline4.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-1004.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-2504.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1974FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1973FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordE-100 Econoline4.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordF-1004.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1973FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1973FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1972FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1972FordE-100 Econoline4.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1972FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1972FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1972FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1972FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1972FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1972FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1971FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1971FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1971FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1971FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1971FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1971FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1971FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1970FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1970FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1970FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1970FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1970FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1970FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1970FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1969FordE-100 Econoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1969FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1969FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1969FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1969FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1969FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1969FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1968FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1968FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1968FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1968FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1968FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1968FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1967FordEconoline3.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-1003.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1967FordF-1005.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1967FordF-2503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-2505.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-3503.9LL6N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1967FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1967FordF-3505.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-1005.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1966FordF-1005.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1966FordF-2505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-2505.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-3505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1966FordF-3505.8LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1966FordF-3505.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-1005.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-1005.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-1004.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1965FordF-2504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1965FordF-2505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-2505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-3505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-3505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1965FordF-3504.9LL6N/AOE Type; Gap 0.030 (in); Plug Type Number RF10C; Copper Plus
1965FordF-3505.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1964FordF-1005.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1964FordF-1004.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1964FordF-2504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1964FordF-2505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1964FordF-3504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1964FordF-3505.9LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1964FordF-3505.9LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1963FordF-1004.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1963FordF-1005.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1963FordF-2505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1963FordF-2504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1963FordF-3504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1963FordF-3505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1962FordF-1004.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1962FordF-1005.4LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1962FordF-2505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1962FordF-2504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1962FordF-3504.3LL6N/AGap 0.030 (in); Plug Type Number RF10C; Copper Plus
1962FordF-3505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1961FordF-1005.4LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1961FordF-2505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1961FordF-3505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1960FordF-1005.4LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1960FordF-2505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1960FordF-3505.4LV8N/AOE Type; Gap 0.035 (in); Plug Type Number RF10C; Copper Plus
1959FordF-1005.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1959FordF-2505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1959FordF-3505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1958FordF-1005.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1958FordF-2505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; Copper Plus
1958FordF-3505.8LV8N/AGap 0.035 (in); Plug Type Number RF10C; 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:

11311511712412718F318RF322102976305530643444289165501458478480482300326834248MI84T85TA6FSA7FA7FSAR5FSAR6FSAR6FS11BG883TBRF3MBSF3BSF31BSF314BSF6BTF1BTF3BTF31BTF314BTF6C83TC84TCR83TD7AD7ACD8AD8ACF10F10CMA16RUMA20RUMA20RU11R83CTR83TR85TR86TRF10RF10CRF12RF125RF80NT5CT6CT6RCTR5CXF10

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