What is Idemitsu ATF Type HK Automatic Transmission Fluid used for?

Idemitsu ATF Type HK is specifically designed for use in automatic transmissions of various vehicles, especially those that require fluid meeting Type HK specifications. It provides superior lubrication, enhances shifting performance, and protects against wear and tear in the transmission system. Using this fluid helps maintain optimal function, making it ideal for regular vehicle maintenance to ensure smooth operation.

Is Idemitsu ATF Type HK compatible with my vehicle?

To determine compatibility, consult your vehicle's owner manual to check for Type HK specifications. Idemitsu ATF Type HK is designed for specific models and may be recommended for certain brands, particularly Japanese manufacturers. If your vehicle's manual mentions ATF Type HK, this product will likely work effectively.

How often should I change my automatic transmission fluid?

The frequency of changing your automatic transmission fluid generally depends on your vehicle's make and model, as well as driving conditions. Many manufacturers suggest changing the fluid every 30,000 to 60,000 miles. If you drive under severe conditions—like heavy towing or frequent short trips—you may need to change it more often. Regular checks ensure smooth transmission performance.

What are the benefits of using Idemitsu ATF Type HK?

Using Idemitsu ATF Type HK offers numerous benefits, including improved protection against wear, oxidation, and thermal degradation. It enhances shifting performance and promotes fuel efficiency while reducing deposits that can lead to transmission issues. For those who prioritize maintaining their vehicle's longevity, this fluid is a smart choice.

Can I mix Idemitsu ATF Type HK with other transmission fluids?

Mixing different types of transmission fluids is generally not recommended, as they can have varying formulations and additives that may not be compatible. Doing so could lead to performance issues and reduce lubrication effectiveness. To ensure your transmission performs optimally, it’s best to drain the old fluid completely before adding Idemitsu ATF Type HK.

How do I check my automatic transmission fluid level?

To check your automatic transmission fluid, first ensure your vehicle is parked on a level surface and the engine is running. Locate the dipstick in the engine bay, pull it out, wipe it clean, and then reinsert it fully. Remove it again to check the fluid level against the marked indicators. Low fluid levels may indicate leaks that need addressing.

What color should my automatic transmission fluid be?

Healthy automatic transmission fluid is typically a clear red or pinkish color. If it appears dark brown or black, or has a burnt smell, this may indicate that the fluid is degraded and should be replaced. Inspecting the fluid color is a good practice for maintaining the transmission’s health.

Can Idemitsu ATF Type HK improve my transmission's performance?

Yes, Idemitsu ATF Type HK can significantly improve your transmission's performance. This fluid is formulated to provide smooth shifting and enhance the responsiveness of the transmission system. By reducing friction and wear, it helps maintain optimal functioning, especially in demanding driving conditions, ensuring that your vehicle operates efficiently.

What should I do if my transmission starts slipping?

If your transmission begins to slip, it’s critical to address the issue promptly. First, check the fluid level, as low fluid can cause slipping. If the fluid is sufficient and in good condition, it may indicate a more serious issue that requires professional diagnosis. Continuing to drive with a slipping transmission can lead to further damage and costly repairs.

Where can I buy Idemitsu - 30040097-95300C020 ATF Type HK Automatic Transmission Fluid - 5 Quart?

You can purchase Idemitsu - 30040097-95300C020 ATF Type HK Automatic Transmission Fluid - 5 Quart on Ubuy in Guernsey. Ubuy offers a range of automotive products, ensuring you have access to high-quality fluids that meet your vehicle's specifications.

How to Shop Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Online From Ubuy?

It’s easy to shop Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Available to Shop Online in Guernsey?

Yes, at Ubuy Guernsey this product is available for you to shop at a reasonable price. The Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Idemitsu

Enhance your driving experience with our specially formulated ATF fluid, ensuring smoother shifting and extended transmission life.

Idemitsu

Item #: 237388728

Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Qt,

85% of respondents would recommend this to a friend

Item #: 237388728

GBP 21

Price Details

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

^{*All items will import from US}

Availability : In stock

Imported from USA store

QTY:

Order now and get it around Friday, October 30

Secured transaction

Our Top Logistics Partners

Enhance your driving experience with our specially formulated ATF fluid, ensuring smoother shifting and extended transmission life.

1 Quart

5 Quart

U-Care Warranty:

None

Select a Plan

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

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

What Stands Out

Enhanced Efficiency

Idemitsu ATF Type HK optimizes transmission performance, improving fuel efficiency and responsiveness in Hyundai and Kia vehicles, ensuring a smooth and reliable driving experience under varying conditions.

Superior Durability

Formulated for long-lasting protection, this ATF resists thermal breakdown and maintains viscosity, significantly extending the lifespan of your vehicle's transmission compared to standard fluids.

Perfect Compatibility

Designed specifically for Hyundai and Kia models, Idemitsu ATF Type HK guarantees perfect compatibility, reducing the risk of transmission issues and ensuring flawless operation in your vehicle.

Product Details

Brand	Idemitsu
Package Information	Bottle
Liquid Volume	32 fluid ounces
Item Weight	1.9 pounds (860 grams)
Recommended Uses For Product	Transmission Fluid

Who Should Buy?

Hyundai/Kia Owners
Ideal for owners of Hyundai and Kia vehicles requiring SP-III fluid for optimal transmission performance.
High Mileage Vehicles
Beneficial for high mileage cars needing enhanced durability and efficiency in their transmission systems.
DIY Mechanics
Great for DIY mechanics looking to perform transmission fluid changes with a reliable and efficient product.

Non-SP-III Vehicles
Not suitable for vehicles that require a different type of transmission fluid, leading to possible operational issues.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

Question: How to Shop Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Online From Ubuy?

Answer: It’s easy to shop Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Available to Shop Online in Guernsey?

Answer: Yes, at Ubuy Guernsey this product is available for you to shop at a reasonable price. The Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Idemitsu Transmission Fluids Editorial Review

Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Qt offers excellent performance, especially noted for its smooth shifting capabilities in vehicles like the 2009 Galant and 2010 Kia Forte. Many users highlight how this transmission fluid helps maintain transmission health with its anti-shudder properties, making it a reliable choice for automotive applications. The product is specifically designed for Hyundai and Kia vehicles, adhering to SP-III specifications, which assures its compatibility and effectiveness. Users appreciate the straightforward process of draining and refilling, making maintenance manageable even for non-mechanics. Overall, it stands out as a genuine OEM alternative, emphasizing reliability and ease of use.

Customer Reviews & Ratings

5.0

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

Compatible with Hyundai and Kia transmissions
Smooth shifting and performance enhancement
User-friendly installation process
Prevents shudder and harsh shifting
Widely recommended by users for reliability

Cons

Some may find the 1 Qt size limiting for larger jobs.

Platform Trust & Buyer Confidence

4.2/5 9704 reviews

Read reviews

Jasmin

Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

Hazel

Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot

Opaleye

Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

Adele

Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

WHY SHOP WITH US

Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

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.

GBP 21

Order now and get it around Friday, October 30

QTY:

Secured transaction

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

Our Top Logistics Partners

Fastest cross-border delivery

Features & Benefits

Compatible with Hyundai/Kia vehicles for optimal performance.
Ensures smoother shifting for a comfortable ride.
Prevents sludge buildup for efficient operation.
Resists oxidation and thermal breakdown for durability.
Provides superior protection for gears and bearings.
Reduces fluid leaks for confident driving.

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.

Idemitsu ATF Type HK (SP-III) Transmission Fluid 1 Qt,

GBP 21

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Idemitsu Transmission Fluids Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Platform Trust & Buyer Confidence

WHY SHOP WITH US

Product Price History

Important information

GBP 21

Features & Benefits

Ubuy Assurance

Fast
Shipping

Free
Return^*