1. Hand Crimpers & Strippers On Sale
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  3. 4INTO1 21001-99004

4INTO1 21001-99004 Honda Spark Plug WRENCH-21MM-99004-21001-FITS CB350 CL350 SL350 CB360

Wrench-21mm-99004-21001-fits 4into1 21001-99004 Genuine Honda Spark Plug Cb350 Cl350 Sl350 Cb360

( Brand: 4into1 ), ( Part Type: Spark Plug ), ( Color: Silver ), ( Head Style: Open End ), ( Model Name: Spark Plug Wrench ), ( Model Number: 21001-99004 ), ( Item Length: 4.0 ), ( Operation Mode: Mechanical ), ( Material: Metal )

Review 4INTO1 Genuine Honda Spark Plug

Introducing the 4into1 21001-99004 Honda Spark Plug Wrench, a must-have tool for any Honda motorcycle enthusiast or mechanic. Designed specifically for Honda motorcycles, this wrench fits various models including the CB350, CL350, SL350, and CB360.

Crafted from high-quality materials, this spark plug wrench boasts a robust and durable design. Its 21mm size makes it the perfect fit for the spark plugs on the mentioned Honda motorcycle models. The wrench is marked with clear and distinct size indicators, ensuring easy identification and use.

The ergonomic handle of this wrench is designed for a comfortable grip, even during extended use. Its slim profile allows easy access to the spark plugs, even in tight spaces. The wrench's jaws are precision-machined to provide a secure and snug fit around the spark plugs, ensuring efficient and effective removal and installation.

The 4into1 21001-99004 Honda Spark Plug Wrench is an essential tool for any motorcycle maintenance or repair project. Its design is specifically engineered to make spark plug replacement a quick and straightforward process. By investing in this wrench, you'll not only save time and effort but also ensure a proper fit and a secure connection to the spark plugs.

In conclusion, the 4into1 21001-99004 Honda Spark Plug Wrench is a high-quality, versatile, and essential tool for any Honda motorcycle owner or mechanic. Its durable construction, precise fit, and ergonomic design make it an indispensable addition to your motorcycle toolkit. With this wrench, you'll be able to perform spark plug replacement confidently and efficiently on your CB350, CL350, SL350, or CB360 Honda motorcycle.

Pros and Cons of Buying a 4into1 Honda Spark Plug Wrench (21001-99004) for Fitting CB350, CL350, SL350, and CB360 Models

Introduction:

The 4into1 Honda Spark Plug Wrench (21001-99004) is a specialized tool designed to fit and remove spark plugs in various Honda models, including CB350, CL350, SL350, and CB360. Here are the pros and cons of purchasing this wrench to help you make an informed decision.

Pros:

1. Universal Fitment: This wrench is designed to fit multiple Honda models, which makes it a convenient and cost-effective solution for those who own more than one Honda motorcycle.

2. Durable Construction: The wrench is made of high-quality materials, ensuring it can withstand the demanding conditions of motorcycle maintenance.

3. Ergonomic Design: The wrench's handle provides a comfortable grip, reducing user fatigue during extended maintenance sessions.

4. Precision: The 21mm size of the wrench is perfect for the spark plugs in the mentioned Honda models, ensuring a secure fit and easy removal.

5. Cost-Effective: Purchasing this single wrench is more cost-effective than buying multiple wrenches for each specific model.

Cons:

1. Limited Compatibility: Although this wrench fits multiple Honda models, it may not be suitable for other motorcycle brands or models.

2. Size: The wrench's overall size might not be ideal for those with limited storage space or those who prefer compact tools.

3. Price: While the wrench is cost-effective compared to purchasing multiple wrenches, it might still be a significant investment for some motorcycle enthusiasts.

Conclusion:

The 4into1 Honda Spark Plug Wrench (21001-99004) offers several advantages, including universal fitment, durable construction, ergonomic design, precision, and cost-effectiveness. However, it also has some drawbacks, such as limited compatibility, size, and price. Ultimately, the decision to purchase this wrench depends on the user's specific needs, budget, and motorcycle collection.

Recommendation:

If you own multiple Honda motorcycles that require the same size spark plugs and have limited storage space or a budget for purchasing multiple wrenches, the 4into1 Honda Spark Plug Wrench (21001-99004) is an excellent investment. It offers convenience, durability, and cost savings. However, if you only own one Honda model or prefer a more compact tool, it might be worth considering other options.

part # 2100199004 prices

  • $14.95-$86.95

specifications inducrimp:

  • brand: 4into1
  • part type: Spark Plug
  • color: Silver
  • head style: Open End
  • model name: Spark Plug Wrench
  • model number: 21001-99004
  • item length: 4.0
  • operation mode: Mechanical
  • material: Metal

general inducrimp:

  • condition: New
  • Light Equipment Tools > Electrical Tools > Hand Crimpers Strippers

shipping inducrimp:

  • service: Standard
  • transit: 4-10 Days
  • type: Fixed
  • class: Standard
  • cost: $0.00

offer inducrimp:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: September 2, 2025
  • quantity: 1

seller inducrimp:

  • # reviews: 159
  • rating: 97.7%

returns inducrimp:

  • policy: No Returns

payments inducrimp:

  • credit card: Mastercard
  • wallet: Paypal
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part type: spark plug, head style: open end, model name: spark plug wrench, model number: 21001-99004, item length: 4.0, operation mode: mechanical,
category: business & industrial > electrical tools > hand crimpers strippers, color: silver, material: metal, sku: 6132318538507502,
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5 offers $14.95–$86.95 USD
  • Offer #1: $14.95 price + free delivery = $14.95* total. When using the old spark plug wires, trim them back 1/4" - 1/2" to expose fresh wire, then using a pick type tool, fan out the wires before threading on the new resistor cover. Set of 2 new spark plug resistor cover replaces NGK's now discontinued LB05FP for the twin and most of Honda's other twin's from the 60's and 70's.FREE SHIPPING
  • Offer #2: $86.95 price + free delivery = $86.95* total. This is a great basic kit for bringing a 350 twin back to life! No oil filter is necessary since the twins use a centrifugal filtering system which just needs to be cleaned. Tune up kit for the Honda & twins from 1970-1973.FREE SHIPPING
  • Offer #3: $22.95 price + free delivery = $22.95* total. This one has a 102 degree bend, long style Set of 4 new spark plug resistor covers replaces NGK's now discontinued XD05F.FREE SHIPPING
  • Offer #4: $21.95 price + free delivery = $21.95* total. Replaces Honda part number: 35010-315-017. This Honda ignition switch is the type you find below the gas tank.FREE SHIPPING
  • Offer #5: $42.95 price + free delivery = $42.95* total. Whether you're doing routine maintenance or reviving a CB that's been sitting, this is a great basic kit to start with. Tune Up Kit - Honda F CB400F.FREE SHIPPING