05G Shaft Seal Crankshaft Kit 17-44145-00 for Carrier Optima Supra Ultima

Product Specifications

Compatible Models

Frustrated by Compressor Shaft Seal Failures on Your Carrier Optima or Supra 950MT?

Every unplanned shutdown of a Carrier chiller compressor costs thousands in lost cooling capacity, tenant complaints, and emergency labor. Counterfeit or low-tolerance 05G shaft seals leak oil within weeks — causing bearing wear, refrigerant loss, and complete 05G compressor failure. OEM replacement kits take 3+ weeks to arrive, halting HVAC maintenance schedules across commercial buildings and data centers.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 05G shaft seal crankshaft kit is manufactured in ISO 9001-certified facilities and undergoes pre-shipment performance testing for oil retention, shaft runout tolerance, and thermal stability under continuous 05G compressor operation. With 10 years’ experience supplying Carrier aftermarket parts globally, XUNPO delivers precise-fit replacements for critical HVAC rotary screw compressors — no waiting for OEM lead times, no guessing on compatibility.

Where This Part Works

This crankshaft seal kit operates in high-duty HVAC applications: commercial office towers, hospitals, data centers, and industrial process cooling plants where Carrier Optima, Supra, and Ultima chillers run 24/7 under variable load and ambient temperatures up to 45°C. The 38mm compressor shaft seal must withstand constant oil pressure, refrigerant exposure, and thermal cycling — making material integrity and dimensional accuracy non-negotiable for uptime.

Engineering Details That Matter

The seal housing is precision-machined from corrosion-resistant stainless steel (AISI 304), ensuring zero galling against the rotating 05G crankshaft. The primary sealing lip uses fluorocarbon (FKM) elastomer rated to 200°C and compatible with POE and mineral oils — preventing hardening or extrusion under high-pressure refrigerant conditions. Dimensional tolerance is held to ±0.015 mm on the 38mm ID bore, guaranteeing interference fit without press-in damage. Surface finish on the shaft-contact zone meets Ra ≤ 0.2 μm — eliminating micro-leak paths common in substandard kits.

The Real Cost of Wrong Parts

A $28 counterfeit seal may save upfront, but causes premature 05G compressor seizure — triggering $3,200+ in labor, $1,800+ for replacement bearings, and 3–5 days of system downtime. Our 17-44145-00 replacement kit meets original Carrier torque specs, oil pressure ratings (up to 12 bar), and thermal expansion coefficients — reducing total cost of ownership (TCO) by avoiding repeat failures. Independent lab reports confirm compliance with ISO 6162-1 for hydraulic and lubrication system sealing performance.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static, moisture-proof pouch with molded EVA foam cradle inside rigid corrugated box
• In-stock items ship within 2–5 working days after order confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), sea freight (25–40 days)
• Real-time tracking number provided upon dispatch, updated until delivery
• MOQ: 1 piece — supports urgent HVAC maintenance and field technician needs

Get Your 05G Shaft Seal Kit Now

Your Carrier chiller isn’t generating revenue while it’s offline. Send us your exact model (e.g., Supra 950MT), serial prefix, and required quantity — we’ll reply within 24 hours with a firm quote and availability. First-time buyers can request a sample kit for physical verification before bulk ordering.

Frequently Asked Questions