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

Product Specifications

Compatible Models

Frustrated by Leaking 05G Compressor Shafts? Get the Right 17-44145-00 Replacement Seal for Your Carrier Optima or Supra System

Every hour a Carrier chiller compressor sits idle due to shaft seal failure costs operators hundreds in lost cooling capacity and potential facility downtime. Counterfeit or poorly dimensioned 05G crankshaft seals cause oil leakage, pressure loss, and premature bearing wear — often triggering repeat service calls within weeks. OEM replacements mean waiting 3–4 weeks while your system remains offline.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 05G shaft seal crankshaft kit is manufactured in ISO 9001-certified facilities under strict dimensional and material controls. Every unit undergoes dynamic sealing performance testing before shipment — ensuring consistent pressure retention and rotational stability in real-world Carrier compressor applications. With 10 years of global export experience and over 10,000 HVAC and industrial refrigeration parts in stock, we deliver precision-engineered alternatives that fit and function like original equipment — without the wait or markup.

Where This Part Works

This seal kit operates under high-pressure refrigerant cycles in commercial and industrial HVAC systems installed across construction sites, data centers, hospitals, airports, and port logistics hubs. In Carrier Optima and Supra units, it withstands continuous rotation at 2,900–3,600 RPM, exposure to R-410A or R-134a refrigerants, and ambient temperatures ranging from -20°C to +60°C. Correct sealing prevents oil migration into the condenser and maintains system efficiency — critical for uptime in mission-critical infrastructure.

Engineering Details That Matter

The 38 mm inner diameter is held to ±0.015 mm tolerance to ensure interference fit on the 05G crankshaft without galling or cold flow deformation. The primary sealing lip uses fluorocarbon (FKM) elastomer rated to 200°C continuous service, offering superior resistance to refrigerant swelling versus generic NBR compounds. A hardened stainless steel spring provides consistent radial load across the lip edge — maintaining contact pressure even after thermal expansion. Surface finish on the mating shaft interface is specified at Ra ≤ 0.4 μm to prevent premature lip wear and extend service life beyond 15,000 operating hours under standard duty cycles.

The Real Cost of Wrong Parts

A $12 counterfeit seal may seem economical — but leads to average repair costs of $420+ per incident: labor for compressor disassembly, refrigerant recovery/recharge, bearing inspection, and system evacuation. Industry data shows substandard 05G crankshaft seals fail 1.7× faster than OEM-spec equivalents, increasing annual maintenance frequency by 40%. When applied across a fleet of Carrier Supra 950MT chillers, incorrect sealing directly impacts total cost of ownership (TCO) — not just purchase price. Our 17-44145-00 replacement seal meets ISO 6194-1 standards for rotary shaft seals and is validated against Carrier’s original dimensional drawings and material certifications.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static retail box with molded EPE foam insert and moisture barrier lining
• 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), or sea freight (25–40 days)
• Real-time tracking number provided upon dispatch
• Minimum order quantity: 1 piece — supports urgent field repairs and small-batch servicing

Get Your 05G Crankshaft Seal Kit Now

Your Carrier system shouldn’t wait weeks for a single seal. Send us your machine model (e.g., Supra 950MT), current part number (e.g., 17-44145-00), and required quantity — we’ll email a formal quotation within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Every day your compressor runs with a compromised seal increases risk of catastrophic failure — act now to secure reliable operation.

Frequently Asked Questions