Performance Koyo Radiator, Nissan 350Z (VQ35DE), 03-06, 48mm
SKU: 88993668609

Performance Koyo Radiator, Nissan 350Z (VQ35DE), 03-06, 48mm

Sale price$266.40 Regular price$296.00
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Description

Performance Koyo Radiator, Nissan 350Z (VQ35DE), 03-06, 48mmKOYO KH021568 International part numberKOYO HH021568 Is used by Koyorad USA OEM # 21410 CD010 HH Series 48mm Radiator CoreKoyorads new 48mm HH Series radiator core features an ultra high fin density to maximize heat transfer. Koyo designs and manufactures each radiator with precision; therefore each one is a direct fit performance replacement for the stock OE plastic aluminum radiator for a quick and simple installation with no modifications. Koyo has

KOYO-KH021568 International part number
KOYO-HH021568 Is used by Koyorad USA

OEM # 21410 CD010

 

HH Series 48mm Radiator Core
Koyorad’s new 48mm “HH” Series radiator core features an ultra high fin density to maximize heat transfer. Koyo designs and manufactures each radiator with precision; therefore each one is a direct-fit performance replacement for the stock OE plastic/aluminum radiator for a quick and simple installation with no modifications. Koyo has also integrated a 1/8” NPT female accessory fitting (supplied with a threaded plug) to accept temperature sensors typically included with aftermarket temperature gauges.

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. This ensures that quality is never sacrificed for quantity. Each Koyo all aluminum radiator core is hand assembled, Nocolok brazed, then TIG welded by hand with the finest aluminum available. These are just a few characteristics that have earned Koyorad Radiators their excellent reputation in performance radiators worldwide.
 

Features:

  • Precise Tube and Fin Alignment: Construction under strict quality control and solid boxing result in tubes with optimal coolant flow and fins with highly efficient heat transfer.
  • Nocolok Brazing: Tubes, Fins, Headers and Brackets are brazed in a state-of-the-art Nocolok furnace, bonding all components to resist damage from vibration, road debris, and the elements.
  • Billet Filler Neck: Precision machined billet filler necks are incorporated on each Koyo radiator for strength, durability and better sealing.
  • OE Specific Mountin: Koyo incorporates application specific mounting locations for all fan shrouds, inlet/outlet hoses and top/bottom mounting pins, ensuring quick and pain-free installs.
  • Hand Crafted Heliarc Welds: Each Koyo Alloy Race Radiator is Heliarc welded individually by hand. This creates the strongest aluminum to aluminum bond to mate all components.

 

Fitment: 2003-2006 Nissan 350Z Z33 VQ35DE Only

Note: Automatic vehicles will require external transmission cooler.

 

Tech Notes: Formerly part number R2577

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88993668609

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4.4 ★★★★★
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Verified Purchase
Shelley
Dallas, US
★★★★★ 5
Play fetch in the dark! My dog loves these balls!
Size: 2.5in Medium Treat
My dog loves these glow in the dark balls! The squeak is an added bonus! They get glowing very fast, in just seconds, and they bounce erratically making the dog go even more crazy chasing them! They are also indestructible. She is a strong chewer and none of these balls even has a scratch yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
S
Verified Purchase
Stacey
Lexington, US
★★★★★ 5
Fun Durable and My Dog Loves Them
Size: 3.5in Large
I bought these glow squeaky balls for my dog and they have been a huge hit. The size is perfect for medium to large dogs and the material feels sturdy enough to handle plenty of playtime. My dog usually destroys toys within a few days but these have held up really well and still squeak loudly which keeps him interested. The glow feature is surprisingly useful. We play fetch in the evenings and being able to spot the ball in the grass makes it so much easier. It also adds a fun element to nighttime play. The squeak is loud but not annoying and it really grabs my dog’s attention. Having four in a pack is a great value. I can keep one inside the house one outside and still have extras ready. The texture is also easy to clean which is important because they definitely get muddy after outdoor play. Pros: durable material fun squeak glows in the dark easy to clean and great value for the price. Cons: my dog loves them so much that he insists on carrying one everywhere. Overall this is an excellent set of dog toys. They are durable fun and practical. I would recommend them to anyone who has an active dog that loves to fetch and squeak.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
M
Verified Purchase
Marissa
Dallas, US
★★★★★ 5
Buy this for your pet!
Size: 2.5in Medium
My dogs absolutely loves These! I usually go play with them in the dark and the glow is so perfect, it bounces great and pet enjoyment of the toy.
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Reviewed in the United States on April 10, 2026
D
Verified Purchase
Debbie
Draper, US
★★★★★ 5
Awesome but a tiny bit small
Size: 2.5in Medium
They’re a little smaller than my chuck it stick, but still works well. They hold a glow-charge well, my dog loves them and the squeaker
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Reviewed in the United States on April 6, 2026
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 1
Little glow that does not last
Size: 2.5in Medium, Size: 2.5in Medium
Total waste of money. These sat all day in Texas sun then were under a 60 watt lamp until I took them outside at night. There was barely any glow to the balls and the littl glow they had didn't last 10 minutes. I thought they were same size as a chuck it ball but they are slightly smaller. The 3x5 card in photo should sit evenly on top of all 3 balls. It doesn't because these are smaller. I have a 70 pound Malinois and these were just too small for me to feel comfortable using as I had concerns of them going down his throat. If you are looking for a fun night time toy you need to look elsewhere. I'd give zero stars if I could.
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Reviewed in the United States on January 9, 2026

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