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Description
Thermostat Housing for Hyundai Elantra, Accent, i20, Veloster & Kia Rio (2009–) – TH39Vehicle Fitment & Part Details This Partquip TH39 thermostat housing is a direct fit replacement for a wide range of Hyundai and Kia models equipped with the Gamma and Nu engine families (2009 onwards), replacing OE numbers 256312B050 and 256312B051. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN engine chassis information where variants exist. Key Details SKU TH39 Component Thermostat Housing
Vehicle Fitment & Part Details
This Partquip TH39 thermostat housing is a direct-fit replacement for a wide range of Hyundai and Kia models equipped with the Gamma and Nu engine families (2009 onwards), replacing OE numbers 256312B050 and 256312B051. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.
Key Details
- SKU
- TH39
- Component
- Thermostat Housing
- Brand
- Partquip
- OEM References
-
- Hyundai / Kia: 256312B050, 256312B051
- Primary Fitment
- Hyundai Accent (RB) 1.6 (14-19)
Key Benefits
- Direct OE replacement (256312B050 / 256312B051) ensures correct fit and coolant flow routing across all listed Hyundai and Kia applications.
- Covers multiple engine variants including the G4FA, G4FC, G4FG, G4FD, G4FJ, and G4NB.
Vehicle Fitment
| Make | Model | Variant | Engine | Years |
|---|---|---|---|---|
| Hyundai | Accent IV (RB) | 1.6 | G4FC | 2011– |
| Hyundai | Creta | 1.6 | G4FG | 2017– |
| Hyundai | Elantra V (MD/UD) | 1.6 | G4FG | 2011–2017 |
| Hyundai | Elantra V (MD/UD) | 1.8 | G4NB | 2011– |
| Hyundai | i20 I (PB/PBT) | 1.4 | G4FA | 2009–2014 |
| Hyundai | i30 | 1.6 | G4FG | 2012– |
| Hyundai | Veloster | 1.6 GDi | G4FD | 2013– |
| Hyundai | Veloster | 1.6 Turbo | G4FJ | 2015– |
View Full Vehicle Fitment (9 applications)
| Make | Model | Variant | Engine | Years |
|---|---|---|---|---|
| Hyundai | Accent IV (RB) | 1.6 | G4FC | 2011– |
| Hyundai | Creta | 1.6 | G4FG | 2017– |
| Hyundai | Elantra V (MD/UD) | 1.6 | G4FG | 2011–2017 |
| Hyundai | Elantra V (MD/UD) | 1.8 | G4NB | 2011– |
| Hyundai | i20 I (PB/PBT) | 1.4 | G4FA | 2009–2014 |
| Hyundai | i30 | 1.6 | G4FG | 2012– |
| Hyundai | Veloster | 1.6 GDi | G4FD | 2013– |
| Hyundai | Veloster | 1.6 Turbo | G4FJ | 2015– |
| Kia | Rio III | 1.4 CVVT | G4FA | 2011– |
Specifications
- SKU: TH39
OE Reference Numbers
- Hyundai / Kia: 256312B050, 256312B051
Frequently Asked Questions
Which OE part numbers does the TH39 replace?
This thermostat housing replaces Hyundai/Kia OE numbers 256312B050 and 256312B051, ensuring a direct fit on all listed applications.
Does the TH39 fit the Kia Rio?
Yes. The TH39 fits the Kia Rio III 1.4 CVVT with the G4FA engine (2011 onwards), using the same shared OE references as the Hyundai models.
Installation Tips
- Allow the engine to cool completely before removing the old thermostat housing.
- Clean the mating surfaces on the engine block and remove all old gasket material before fitting.
- Replace the thermostat gasket or O-ring during installation where applicable.
- Refill with the manufacturer-specified coolant and bleed the cooling system of air pockets.
- After installation, run the engine to operating temperature and check for leaks around the housing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 4
Warm, Comfy, and No Electricity Needed
Size: 20.0"L x 16.0"W x 0.5"Th, Color: Grey
This self-warming cat mat works well — it reflects body heat and stays noticeably warm without plugs or electricity. The surface is soft and cozy, and most cats seem to take to it quickly. It's lightweight, easy to clean, and fits well in beds, carriers, or on furniture.
It’s a bit thin, so adding extra padding underneath may help. Also, it can slide on hard floors, so best used on carpet or fabric surfaces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2025
★★★★★ 5
It's a hit!
Size: 27.6"L x 18.8"W x 0.5"Th, Color: Grey, Size: 27.6"L x 18.8"W x 0.5"Th, Color: Grey
He loves it. I wish I had purchased the large instead of the medium, but it still fits him okay. If he stretches out, it won't, though. :) He's a big boy. I have it lying on a bed in the spare room, where he often is, looking out the window. It's soft and makes barely any noise. It doesn't slip on the bed. I might on the floor.
With anything new that we buy him, we spray it lightly with catnip spray and he always takes right to it, as he did with this. It's warm under his body. He's happy, we're happy! :)
I ordered the larger one. It got here today! I moved the smaller one to a window seat.
I hate when the delivery guys add, was handed directly to homeowner, no it wasn't It was put in a package box outside, ringing the door bell is not the same as handing it directly to me! LOL
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Reviewed in the United States on October 27, 2025
★★★★★ 5
My cats love their self heating mat!
Size: 27.6"L x 18.8"W x 0.5"Th, Color: Coffee
I use this as a cover on my loveseat. It took my cats a few days to realize how much they liked their new mat. It makes a little crinkle sound when they walk on it but they don't seem to be bothered by it at all.
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Reviewed in the United States on May 1, 2026
★★★★★ 3
Thinner Than Expected but Still Gets Used ULIGOTA Self-Warming Cat Mat
Size: 20.0"L x 16.0"W x 0.5"Th, Color: Grey, Size: 20.0"L x 16.0"W x 0.5"Th, Color: Grey
This self-warming mat is much thinner than expected, and the corners don’t lay completely flat—they tend to curl upward, which makes it look a little cheap when first placed down. The material is soft, though, and despite its lightweight feel, it does warm up slightly when the cat lays on it. It’s not plush or padded like some other warming mats, but it still provides a cozy surface.
Pros:
• Soft surface
• Lightweight and easy to move
• Cat actually uses it
• Self-warming layer works to a small degree
Cons:
• Much thinner than expected
• Corners curl up and won’t stay flat
• Doesn’t feel premium
Verdict:
Even though it’s flimsier than anticipated, my cat sleeps on it consistently—so it’s staying. For pets that don’t need much cushion, it’s a decent budget option, but buyers should expect a very thin mat rather than a plush warming pad.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Works just as intended
Size: 20.0"L x 16.0"W x 0.5"Th, Color: Coffee, Size: 20.0"L x 16.0"W x 0.5"Th, Color: Coffee
My recently adopted rescue kitty loves this self-warming mat. We live in the south, and sometimes the temps drop a bit. I placed her mat out onto some blankets and she was immediately receptive to it. I sat and gave her plenty of cuddles while she laid down on the pad, and I could feel the toasty warmth beneath her body on the fabric.
The size of the mat you see in my photos is the 16”x20” size. My kitten is 6 months old and she is a gangly, lanky girl. She fits on the mat when curled up- but she likes to sprawl as well. This size is great for inside her travel carrier, but I will more than likely also order a larger size for home use so that I can keep the smaller one in her travel carrier. I ordered the brown and I like the rich, chocolatey color. The top is a very fine micro velvet that is very soft. The underside is polyester that has some small rubber dots for traction. It is thin and very pliable. The mat is great quality and has held up with my kitty attacking it during playtime as well.
Whether for home or for travel uses- it’s a big hit with my kitty! Works just as described and makes a wonderful addition for these colder months.
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Reviewed in the United States on November 12, 2023
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