1973 AMC Ambassador Spark Plugs
More 1973 AMC Ambassador Spark Plugs
Find your specific 1973 AMC Ambassador original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1973 AMC Ambassador Spark Plugs
Accel – Universal Fit Super Stock 8mm Suppression; Spark Plug Wire Set (Part No.4040R)
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$65.99
These ACCEL wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with black wire contain zinc-plated steel terminals. Noise suppression core. Set contains 8 plug wires with coil lead.
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Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
Accel – Universal Fit Super Stock 8mm Suppression; Spark Plug Wire Set (Part No.4040)
from
$63.99
These ACCEL wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with black wire contain zinc-plated steel terminals. Noise suppression core. Set contains 8 plug wires with coil lead.
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Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
Accel – 8Mm Super Stock Copper Uni (Part No.4038B)
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$72.99
These ACCEL Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with zinc-plated steel terminals.
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Product Features:
- Tinned copper core allows virtually no resistance
- Great for points and magneto
- 450 Degree Wire Temperature Rating
- Meets Or Exceeds OE Boot Temperature Rating
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, W16EXR-U (Part No.3031)
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$2.79
U-Groove design provides better ignitability for increased engine efficiency.
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Product Features:
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement H14Y (Part No.91)
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$3.79
Champion industrial and agricultural spark plugs are backed by global engineering from Federal-Mogul. Precious metals, FISS and Hot Lock designs allow us to provide a plug that Withstands today’s high-temperature/high load service environments.
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Product Features:
- Designed for high compression and aggressive environments
- Manufactured for long-lasting durability
- Backed by global engineering from Federal-Mogul
- Superior performance and long lasting durability
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, GR4 (Part No.2635)
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$4.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- Enhanced Ignitability: The V-cut nickel alloy center electrode and concave ground electrode design of NGK V-Power spark plugs provide quicker starts and smoother idle.
- OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring compatibility and reliable performance.
- V-Groove Tip Design: The unique V-Groove tip design of the NGK V-Power Nickel Spark Plug enhances ignitability and overall engine performance.
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, N12YC (Part No.38)
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$2.99
Dependable Performance, OE Replacement, N12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and flat seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.
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Product Features:
- Copper Plus – Dependable Performance and Durability
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Built to ISO and SAE standards for proven performance
- Nickel Center Electrode Tip: Equipped with a nickel center electrode tip, it provides accurate control of the heat range, further enhancing the spark plug’s reliability.
- Flat Seat Type: The flat seat type design ensures a secure fit, contributing to the overall efficiency and performance of your engine.
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN14YC (Part No.405)
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$4.49
Dependable Performance, OE Replacement, RN14YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and flat seat type further enhance its reliability, making it a top choice for maintaining your engine’s efficiency.
Product Features:
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Product Features:
- Copper Plus – Dependable Performance and Durability
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Built to ISO and SAE standards for proven performance
- Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and flat seat type, this spark plug enhances reliability and helps maintain your engine’s efficiency.
ACDelco – Double Platinum Spark Plug (Part No.41-828)
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$8.29
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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Product Features:
- One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
- Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
- Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RH10C (Part No.854)
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$2.29
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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Product Features:
- Copper Plus – Dependable Performance and Durability
- OE type replacement plug
- Resists fouling
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN12YC (Part No.404)
from
$4.99
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
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Product Features:
- Copper Plus – Dependable Performance and Durability
- Copper core center electrode allows for accurate control of heat range for longer life
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Built to ISO and SAE standards for proven performance
NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR4ES SOLID (Part No.6578)
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$3.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- Triple Gasket Sealing: Prevents combustion gas leakage, ensuring efficient engine performance.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.437)
from
$2.99
With over 100 years of engineering expertise and over 11 billion plugs sold, Autolite continues to innovate with its Copper spark plugs. Designed and engineered in the USA, these plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and reduces electrode erosion, making these spark plugs a reliable choice for enhancing your vehicle’s performance.
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts: The Autolite Copper Spark Plug ensures quick engine starts, enhancing your vehicle’s performance right from ignition.
- Good Fuel Economy: Engineered for efficiency, these spark plugs help improve fuel economy, saving you money at the pump.
- Smooth Acceleration: Experience smoother acceleration with Autolite’s advanced copper spark plug technology.
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.C45L)
from
$3.29
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
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Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW16TT (Part No.4708)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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Product Features:
- 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
- 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
- DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Durability of an OE style plug combined with Power & Torque of high performance.
- Withstands temperatures greater than 4000░ Fahrenheit
- Iridium TT
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Reliable and Durable: The flat seat type design ensures a secure fit and consistent performance throughout its lifespan.
Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)
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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles.
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 1973 AMC Ambassador Spark Plugs Categories
1973 AMC Ambassador Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1973 AMC Ambassador. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 21 different Spark Plugs in our inventory ranging from $2.79 to $72.99. That means you can find the exact parts or products you need to keep that 1973 AMC Ambassador running smoothly.
Spark Plugs are only as good as their brand. We stock 9 different brands to make sure you have plenty of trusted parts to choose from for your 1973 AMC Ambassador. NGK, DENSO, and Champion are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 1973 AMC Ambassador, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,264 reviews in this category, some of the top rated parts include Universal Fit Super Stock 8mm Suppression; Spark Plug Wire Set with 3.0 stars and PW16TT Platinum TT Spark Plug with 3.4 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1973 AMC Ambassador rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 1973 AMC Ambassador Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1973 AMC Ambassador demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Ambassador the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Autolite Spark Plugs
We carry Autolite parts in our stock across Spark Plugs categories, plus more. For a 1973 AMC Ambassador, our most popular Autolite Spark Plugs include:
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$3.49
(1)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
Top 1973 AMC Ambassador Spark Plugs from NGK
NGK products are another trusted brand when it comes to Spark Plugs for your 1973 AMC Ambassador. Popular NGK parts include:
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$3.99
(9)
OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR4ES SOLID
Spark Plugs
FAQs for 1973 AMC Ambassador Spark Plugs
What are the most purchased Spark Plugs for the 1973 AMC Ambassador?
Out of 21 Spark Plugs for the 1973 AMC Ambassador, the most popular in our inventory are:
What are the top-rated 1973 AMC Ambassador Spark Plugs?
Top-rated Spark Plugs for your 1973 AMC Ambassador based on customer reviews/ratings are:
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$10.99
(4)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW16TT
“High quality”
