
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
Thermostat 12-00256-21 for Carrier Transicold Supra/Electra/Maxima Refrigeration UnitsReplacement part number: 12 00256 21, 120025621, 12 0025621, 12 00256 06, 120025606, 12 0025606, LL14432, 37TV2131267, L55 17F, L5517F, E 4457618, E4457618, L53 9934V, L539934V Application: Fit for Carrier Transicold: Thunderbird, Ultra, Supra 922, Supra 944, Electra NEE, Electra 40, Electra 43, Electra 44, Electra 49, Maxima 2, Maxima II, Maxima 1200, Maxima 1000, Maxima Plus, Genesis TM800
Replacement part number:
12-00256-21, 120025621, 12-0025621, 12-00256-06, 120025606, 12-0025606, LL14432, 37TV2131267, L55-17F, L5517F, E-4457618, E4457618, L53-9934V, L539934VApplication:
Fit for Carrier Transicold: Thunderbird, Ultra, Supra 922, Supra 944, Electra NEE, Electra 40, Electra 43, Electra 44, Electra 49, Maxima 2, Maxima II, Maxima 1200, Maxima 1000, Maxima Plus, Genesis TM800
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
4.6 ★★★★★
Based on 573 reviews
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Product Reviews
★★★★★ 5
Be safe and always calculate the gauge wire are you need, don’t cut corners.
Size: 4 Gauge 10FT
Good quality solid copper 4 Gauge wires in red and black. Avoid aluminum wiring that has copper plating so looks like solid copper but can be dangerous if used in heavy load applications. Copper is expensive but required if amperage is high.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
Good
Size: 1/0 Gauge 10FT
Good item
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Works no issues
Size: 8 Gauge 10FT
Works no issues
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Durable insulation and pure copper not that cca bs
Size: 1/0 Gauge 5FT
Good quality. Solid copper, not that cca bs. Stiff and durable insulation. Used for big 3 car audio grounds on high output alternator. Great results. Will mention that it’s not as thick as some other brands but not by much. Terminals still crimped tightly with 1/0 gauge
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Quality wire and true specs
Size: 8 Gauge 10FT
Good quality car audio power wire.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
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