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781664 Serpentine Belt for Thermo King Tri Pac 6 Rib Tripac APU 1E32438H05
$39.29
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$39.29
Regular price
Available to Order
This Serpentine Belt (78-1664) is a 6-rib serpentine belt for Thermo King Tri-Pac APU systems, matching OEM Part# 1E32438H05 and cross-reference 78-1664.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
This serpentine belt drives the alternator and compressor on Thermo King Tri-Pac APU units, ensuring reliable auxiliary power. Designed as a direct replacement for OEM part 1E32438H05, this 6-rib serpentine belt resists heat and wear. It is an ideal solution for maintaining your Tri-Pac APU system's performance.
Key Features & Performance
- 6-rib construction provides efficient power transmission
- Durable EPDM rubber compound for long service life
- Exact length and profile for Thermo King Tri-Pac APU
- Resistant to heat, oil, and cracking
- Direct replacement for OEM part 1E32438H05
Fitment & Compatibility
- Thermo King Tri-Pac APU (all models)
- Replaces OEM part 1E32438H05
- Cross-reference part 78-1664
Common Uses
- Replacing worn or broken serpentine belt on Tri-Pac APU
- Maintaining alternator charging and compressor operation in sleeper cab HVAC
- Routine preventive maintenance of auxiliary power units
- Restoring belt-driven accessory function after belt failure
Technical Specifications
- Part Number(s): 78-1664, 1E32438H05
- Number of Ribs: 6
- Material: EPDM Rubber
- Belt Type: Serpentine
Frequently Asked Questions
Q: Is this belt identical to the original Thermo King belt? A: Yes, it is a direct replacement with the same dimensions and rib count as OEM part 1E32438H05.
Q: How often should I replace the serpentine belt on my Tri-Pac APU? A: Typical replacement interval is 12–24 months; inspect for cracks, glazing, or wear regularly.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.