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K20 Transmission For Sale

(2 reviews)
  • Type: Manual Transmission
  • Model: K20
  • Maker: Honda
  • Speeds: 6 (typically)
  • Condition: Used


99.5% Positive feedback
  • Consistently receives highest buyers ratings
  • Ships items quickly
  • Has earned a track record of excellent service


K20 Transmission For Sale: Find the Perfect Gearbox

Looking for a reliable and powerful K20 transmission for Sale to enhance your Honda or Acura build?  You’ve come to the right place!  We offer a wide selection of used K20 transmission for sale, all meticulously inspected to ensure quality and performance. Whether you’re building a street-legal track monster or a daily driver with a touch of extra pep, we have the perfect K20 transmission to fit your needs. 

Transmission Overview: K20

The Honda K20 transmission is renowned for its durability and performance, often paired with the popular K20 engine series. It features a robust design, optimized gear ratios for sporty driving, and seamless shifting capabilities. Known for its versatility, the K20 transmission is commonly used in both street and racing applications. Its compatibility with various Honda models makes it a favorite among enthusiasts looking for a reliable and efficient transmission. With a focus on delivering smooth power delivery and enhancing the driving experience, this K20 transmission for sale here stands out as a top choice for performance upgrades and engine swaps.

Why Choose a K20 Transmission?

The K20 engine is renowned for its power and responsiveness, making it a popular choice for swaps and performance upgrades.  The K20 transmission is equally well-respected for its durability, smooth shifting, and ability to handle high horsepower. Here’s why a K20 transmission is a great choice for your project:

  • Optimized Gear Ratios: Designed for both performance and efficiency, ensuring quick acceleration and high-speed stability.
  • Robust Construction: Built with high-quality materials to withstand rigorous driving conditions and prolonged use.
  • Smooth Shifting: Advanced synchros and precision engineering provide seamless and quick gear changes.
  • Lightweight Design: Reduces overall vehicle weight, contributing to better handling and fuel efficiency.
  • Versatility: Compatible with a wide range of Honda models, making it a popular choice for engine swaps and upgrades.
  • Aftermarket Support: Extensive availability of performance parts and upgrades to tailor the transmission to specific needs.

The K20 Transmission can fit


  • Honda Civic Si (and various trim levels)
  • Honda Civic Type R (depending on generation)
  • Honda Accord (especially sportier trim levels)
  • Acura RSX (Type-S and base models)
  • Acura TSX


  • Honda K20A/K20Z
  • Honda K24
  • Honda B16
  • Honda B18
  • Honda H22
  • Honda D-Series

Types of K20 Transmissions

We have a variety of K20 transmissions for sale, including:

  • Manual Transmissions:  Available in 5-speed and 6-speed configurations, manual K20 transmissions offer a more engaging driving experience and are ideal for performance-oriented builds.
  • Automatic Transmissions:  Automatic K20 transmissions provide convenience and smooth shifting, making them a great choice for daily drivers or those seeking a more relaxed driving experience. 

Why Choose Us for Your K20 Transmission Needs?

We are committed to providing our customers with high-quality used K20 transmissions for sale at competitive prices.  Here’s what sets us apart:

  • Wide Selection: We have several K20 transmissions for sale to  never run out of stock
  • Quality Assurance: All our transmissions undergo rigorous inspection to ensure they’re in good working order.
  • Competitive Pricing: We offer competitive prices on all our K20 transmissions for sale. 

Contact Us Today!

Ready to upgrade your Honda or Acura with a powerful and reliable K20 transmission?  Contact us today to discuss your needs and find the perfect transmission for your project!  We’re here to help you find the right gear for your journey.  Here at Find Auto Parts Online, you will find this K20 Transmission For Sale at the most reasonable and perfect price possible. Our aim here is to make your hunt for the perfect auto part more seamless and efficient.

Additional information

Torque Rating

220-240 lb-ft

Overall Length

24 inches


70-80 pounds

Fluid Type

Honda Genuine Manual Transmission Fluid

Fluid Capacity

1.9 to 2.3 liters

Bellhousing to Tailshaft Length

15-18 inches

Input Shaft Spline Count

23 splines

Output Shaft Spline Count

25 splines

Gear Ratios

1st Gear: 3.267
2nd Gear: 2.130
3rd Gear: 1.517
4th Gear: 1.147
5th Gear: 0.921
6th Gear: 0.738


2001 Honda K20 Transmission

2 reviews for K20 Transmission For Sale

  1. Eric Johnson

    Robust internals, smooth engagement. Pairs perfectly with high-revving VTEC engines. bit notchy when cold, but loosens up nicely.

  2. Eric Johnson

    Snagged a K20 trans from Find Auto Parts Online for my Honda build. Slick-shifting 6-speed, handles power well. Short throws, precise feel. Great for both street and track use.

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Product Q&A

What are the benefits of using the Honda K20 transmission?

The Honda K20 transmission offers benefits such as smooth shifting, reliable performance, and compatibility with a variety of Honda engines, making it a popular choice for enthusiasts and racers alike.

Can the Honda K20 transmission be used in engine swaps?

Yes, the Honda K20 transmission is often used in engine swap projects due to its compatibility with various Honda engines like the K20 and K24 series, providing flexibility for customization.

Can the Honda K20 transmission handle modifications or increased horsepower?

With proper upgrades and modifications, the Honda K20 transmission can handle increased horsepower and torque levels beyond stock, though it may require reinforcement for extreme applications.

What is the lifespan of a Honda K20 transmission?

The lifespan of a Honda K20 transmission can vary based on usage, maintenance, and driving conditions, but with proper care, it can typically last for many years of reliable service.

Is the Honda K20 transmission suitable for daily driving?

Yes, the Honda K20 transmission is designed for both performance and daily driving, offering smooth shifts and efficient operation under normal driving conditions.

What modifications can enhance the performance of the Honda K20 transmission?

Performance upgrades such as short-throw shifters, upgraded clutch kits, and stronger internal components can enhance the shifting feel and durability of the Honda K20 transmission.

Can the Honda K20 transmission be rebuilt if necessary?

Yes, professional transmission shops and enthusiasts often rebuild Honda K20 transmissions to restore performance and address any internal wear or damage over time.
k20 transmission for sale
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