Champion
0 ratings
Champion (2 Pack) RDZ4H (979) Copper Plus Small Engine Spark Plug # RDZ4H-2PK
genuine image
Champion (2 Pack) RDZ4H (979) Copper Plus Small Engine Spark Plug # RDZ4H-2PK
Genuine OEM replacement part
Champion (2 Pack) RDZ4H (979) Copper Plus Small Engine Spark Plug # RDZ4H-2PK
Item #: 22955700

Champion (2 Pack) RDZ4H (979) Copper Plus Small Engine Spark Plug # RDZ4H-2PK

Item #: 22955700

STD 505640

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Friday, August 28
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Genuine OEM replacement part
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Copper Core Design
The RDZ4H spark plugs feature a copper core for superior conductivity and heat dissipation, ensuring efficient engine performance and extending the life of your small engine.
Durable Construction
Manufactured for high durability, these spark plugs withstand harsh conditions, making them ideal for lawn mowers and other small engines, thus reducing the frequency of replacements.
Value Pack
The two-pack offering provides exceptional value for users, ensuring you always have a spare spark plug on hand, promoting uninterrupted operation for your small engine equipment.

Product Details

Get the Champion 2 Pack RDZ4H 979 Copper Plus Small Engine Spark Plug at the best price. Ubuy São Tomé and Príncipe offers a wide range of spark plugs for small engines.
  • Includes (2) RDZ4H Spark Plugs
  • Genuine OEM replacement part
  • New, Bulk Packed
  • Compatible with: Husqvarna, Dolmar
  • Consult owners manual for proper part number identification and proper installation
Brand NameChampion
Manufacturer Part NumberRDZ4H
UPC719896903523
Model NumberRDZ4H
Unit Count2.0 Count
Included Components979
Item Weight0.13 Pounds (60 grams)
ManufacturerChampion
Thread Size14mm x 1.25mm
Compatible with Vehicle TypeCar, Truck
Automotive Fit TypeVehicle Specific Fit
Core MaterialCopper
Top Material TypeMetal
BrandChampion
Vehicle Service TypeCar, Truck

Who Should Buy?

Suitable For
  • Outdoor Equipment Users

    Ideal for consumers operating lawn mowers and outdoor power tools requiring reliable ignition performance and consistent engine start.

  • DIY Mechanics

    Perfect for hobbyists or home mechanics who perform small engine repairs and maintenance, providing reliable and affordable spark plugs.

  • Budget-Conscious Buyers

    Great choice for those looking to save money without sacrificing engine performance, offering excellent value with a two-pack.

Not Suitable For
  • High-Performance Engines

    Not suitable for high-performance or racing engines requiring specialized spark plugs designed for extreme conditions.

Product Description

Champion (2 Pack) RDZ4H (979) Copper Plus Small Engine Spark Plug # RDZ4H-2PK

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Champion RDZ4H spark plug?

    Answer: The Champion RDZ4H spark plug is designed to ignite the air-fuel mixture in small engines, such as those found in lawn mowers, chainsaws, and various outdoor power equipment. A proper spark plug ensures reliable starting, efficient fuel combustion, and optimal engine performance. Choosing the right spark plug is essential because a poorly functioning one can lead to misfires, reduced power output, or even engine stalling.
  • Question: How do I know if I need to replace my spark plug?

    Answer: You should consider replacing your spark plug if you notice hard starting, decreased performance, or rough idling from your equipment. Inspection for any signs of wear, such as carbon buildup, a worn electrode, or a cracked insulator can also indicate it's time for a new spark plug. Regular maintenance, including spark plug replacement, plays a critical role in maintaining the overall efficiency and longevity of your engine.
  • Question: Can I use the Champion RDZ4H spark plug in my specific equipment?

    Answer: Yes, the Champion RDZ4H spark plug is universally compatible with a wide range of small engines. However, it's always advisable to check your equipment's manual to confirm the recommended spark plug specifications. Using the right model ensures optimal ignition performance and helps keep your engine running smoothly. Common applications include various types of lawn tractors and outdoor power tools.
  • Question: What materials are used in the construction of the Champion RDZ4H spark plug?

    Answer: The Champion RDZ4H spark plug features a copper core that enhances heat dissipation and conductivity, promoting efficient ignition. Its ensuring resilient design helps maintain peak performance under various operating conditions. The robust ceramic insulator provides excellent electrical insulation, while the nickel-chrome alloy construction of the electrode contributes to durability. This combination ensures reliable performance and longevity for your small engine.
  • Question: How does the design of the RDZ4H spark plug affect engine performance?

    Answer: The design of the Champion RDZ4H spark plug directly impacts the combustion process within the engine. Its optimized electrode gap and heat range facilitate better ignition of the air-fuel mixture, promoting more efficient combustion. Such enhancements can lead to improved fuel economy, decreased emissions, and overall smoother operation of your small engine equipment. This spark plug is engineered to perform under demanding conditions.
  • Question: What is the recommended gap for the Champion RDZ4H spark plug?

    Answer: The recommended spark plug gap for the Champion RDZ4H is typically around 0.030 inches. However, checking your specific equipment’s manual is essential, as there can be variations based on the type of engine. Proper gap setting allows for optimal ignition performance and fuel combustion efficiency. Always use a feeler gauge to ensure accuracy when adjusting the gap.
  • Question: How do I install the Champion RDZ4H spark plug?

    Answer: To install the Champion RDZ4H spark plug, first, ensure the engine is off and cool. Remove the old spark plug using a spark plug socket wrench; clean the area around the plug to prevent debris from entering the cylinder. Insert the new spark plug by hand to avoid cross-threading, then tighten it according to the specifications in your equipment's manual. A potentially useful scenario is if you are preparing your lawn mower for the season; a fresh spark plug increases reliability.
  • Question: Is the Champion RDZ4H spark plug suitable for high-performance engines?

    Answer: While the Champion RDZ4H spark plug is designed for standard small engine applications, its reliability can sometimes extend to high-performance engines. However, for optimal performance in such engines, you might consider specialized spark plugs designed for high-output requirements. Understanding the specific demands of your engine can ensure you choose the right spark plug for maximum performance and longevity.
  • Question: What cleaning methods can be used for spark plugs?

    Answer: To extend the life of your spark plugs like the Champion RDZ4H, you can clean them using methods such as wire brushing, soaking in a solvent, or using an ultrasonic cleaner. However, deep cleaning is not always necessary and could potentially damage the plugs if not done carefully. If the spark plugs show significant wear or carbon buildup, replacing them may be the best option. Regular checks can help maintain optimum performance.
  • Question: Where can I buy Champion 2 Pack RDZ4H 979 Copper Plus Small Engine Spark Plug # RDZ4H-2PK?

    Answer: You can buy the Champion 2 Pack RDZ4H 979 Copper Plus Small Engine Spark Plug # RDZ4H-2PK at Ubuy, known for its extensive collection of automotive and small engine accessories. Ubuy offers convenience for customers in São Tomé and Príncipe, making it easy to find the right parts for your equipment online with swift access to detailed product descriptions and specifications.

Champion Spark Plugs RDZ4H Editorial Review

Champion (2 Pack RDZ4H) Copper Plus Small Engine Spark Plug # RDZ4H-2PK The Champion (2 Pack RDZ4H) Copper Plus Small Engine Spark Plug is highly regarded by customers for its reliability and compatibility with various small engine devices. Customers have praised the product for its excellent performance and its ability to serve as a direct replacement for the original Champion Spark plug. One customer mentioned ordering the Champion RDZ4H spark plug for an old Craftsman trimmer and being pleased with the quick delivery and packaging. The trimmer was repaired successfully, indicating the effectiveness of the spark plug. Another customer expressed satisfaction with the product's performance in fixing a weed eater, while someone else stated that the 4-cycle lawn trimmer spark plug worked perfectly and was glad to have purchased a double pack. These positive experiences were not limited to trimmers alone. Customers also reported successful use of the spark plug in a weed eater, lawn edger, snowblower, and a Craftsman gas line trimmer, in line with the product's versatility. Overall, the Champion (2 Pack RDZ4H) Copper Plus Small Engine Spark Plug receives high praise from customers, with its compatibility and reliable performance being highlighted in multiple reviews.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Direct replacement for original Champion spark plug
  • Works well with various small engine devices
  • Provides excellent performance and reliability
  • Quick and efficient delivery

Cons

  • No negative feedback from customers

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

STD 505640

Order now and get it around Friday, August 28

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Includes (2) RDZ4H Spark Plugs
  • New, Bulk Packed
  • Consult owners manual for proper part number identification and proper installation
  • Compatible with: Husqvarna :, Dolmar
  • Genuine Champion Spark Plugs

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.