Description
Nissan 240SX S13 KA24 (89-94) Mishimoto aluminium radiator
The Mishimoto radiator S13 KA24 is a full aluminium performance radiator for the 1989-1994 Nissan 240SX S13 with KA24 engine. It replaces the original radiator and is made for daily driving as well as track use.
The brazed aluminium core has two rows and is 50 mm thick, with TIG-welded aluminium end tanks. According to Mishimoto, cooling efficiency improves by up to 30 percent, keeping the engine at temperature under heavy use. The 1.3 bar high-pressure cap and the magnetic drain plug are included.
Key benefits
- Direct fit for the Nissan 240SX S13 with KA24 (1989-1994)
- Full aluminium with durable TIG-welded end tanks
- Two-row 50 mm brazed core for stable temperatures on street and track
- 1.3 bar high-pressure radiator cap raises the coolant boiling point
- Magnetic drain plug captures metal debris in the cooling system
- Mishimoto Lifetime Warranty
Suitable for
Nissan 240SX S13 with KA24
- Model years 1989 to 1994
- Engine codes KA24E and KA24DE
- Manual transmission cars only; for automatics Mishimoto recommends a separate transmission cooler (MMTC-U)
- For the S13 with SR20 there is a separate Mishimoto radiator
Technical specifications
- Manufacturer: Mishimoto
- Part number: MMRAD-240-89KA
- Material: aluminium
- Rows: 2
- Core thickness: 50 mm
- Core size: 638 x 334 mm
- Overall size: 668 x 498 x 61 mm
- Coolant capacity: 7.6 litres
- Inlet and outlet: 32 mm
- Included: radiator, 1.3 bar radiator cap, magnetic drain plug
Installation and delivery
The radiator mounts in the original location. Mishimoto rates installation as medium. Refill the system with fresh coolant after installation and bleed it carefully. The Mishimoto radiator installation guide is available below. Lead time: 4 to 7 days.
More cooling capacity for the KA24, without cutting or welding.
Why choose this Mishimoto radiator S13 KA24?
After all these years the original radiator in a 240SX is often due for replacement. This Mishimoto radiator fits the original location and gives the KA24 more cooling reserve with a full aluminium two-row core, complete with cap, drain plug and the Mishimoto lifetime warranty.
Frequently asked questions
Does this radiator fit an S13 with SR20?
No, the Mishimoto radiator S13 KA24 is for the KA24E and KA24DE. For the S13 with SR20 Mishimoto offers a separate radiator.
Does it work with an automatic transmission?
No, it is intended for manual transmission cars. For automatics Mishimoto recommends the MMTC-U transmission cooler.
Are the cap and drain plug included?
Yes, a 1.3 bar radiator cap and a magnetic drain plug are included.
What is the lead time?
The lead time is 4 to 7 days.
Downloads and documentation
Mishimoto radiator installation guide (PDF, English)
Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.









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