64538391639 A/C Pressure Switch for BMW E46 E39 Series

High-precision trinary pressure switch engineered for BMW E46 and E39 platforms. Features integrated 32kg/1.2kg safety cut-offs and a specific 20kg/cm² fan trigger for R134a systems. Built with IATF 16949 standards and precision 7/16-20 UNF female fittings for professional BMW parts importers.

Brands:
BMW
Lead Time:
60 days
Minimum Order:
100
Certification:
IATF 16949, CE
Warranty:
12 Months

Availability:



Inquiry

Product Description

Product Description

64538391639 A/C Pressure Switch Cross Reference

Brand Name	Reference Number
BMW OE	64 53 8 391 639
BMW OE (Old)	64 53 8 391 635
Hella	6ZL 351 028-231
Vemo	V20-73-0010
Behr	8UW 351 233-041
Santech	MT0216

Technical Specifications for 64538391639 Wholesale

Technical Parameter	Specification Detail
Thread Size	7/16-20 UNF Female
High Pressure Cut-Off	32 kg/cm² OFF
Medium Pressure Trigger	20 kg/cm² ON
Low Pressure Cut-Off	1.2 kg/cm² OFF
Refrigerant Compatibility	HFC R134a
Housing Material	High-Grade Machined Aluminum
Quality Standard	IATF 16949

64538391639 Vehicle Application and Compatibility

Vehicle Make	Vehicle Model	Year Range
BMW	3 Series (E46)	1998 to 2005
BMW	5 Series (E39)	1998 to 2003
BMW	7 Series (E38)	1998 to 2001
BMW	X5 (E53)	2000 to 2006
BMW	Z4 (E85)	2002 to 2005

Sourcing 64538391639 Pressure Switches FAQs

How does the 33 kg/cm² threshold ensure the safety of the BMW high-pressure line?

Modern BMW HVAC systems operate at high efficiency but are sensitive to heat soak. The 33 kg/cm² cut-off is the final fail-safe that disengages the compressor clutch or signals the variable displacement solenoid to stop before hydraulic failure occurs. We use 100% automated pressure bench testing to ensure zero-defect calibration for these critical safety points.

Can we implement private label laser marking for our 64539143147 bulk orders?

Yes. For our professional importers and "Top 100" global wholesalers, we provide high-definition laser etching. We can mark your brand logo and the 64539143147 OE number directly on the sensor body to help you establish market authority and brand loyalty.

What is the standard manufacturing lead time for wholesale orders?

Our fixed lead time is 60 days. This duration allows for precision diaphragm assembly, IATF 16949 multi-point calibration, and comprehensive vacuum leak testing. This rigorous cycle ensures the long-term reliability required by international procurement standards.

Is this switch compatible with the newer R1234yf refrigerants?

Yes. We utilize advanced internal seals and aerospace-grade diaphragms that are chemically resistant to both R134a and R1234yf refrigerants, as well as modern PAG and POE oils. This versatility makes it a future-proof SKU for your inventory.

What are your MOQ and mixed-order policies for international distributors?

The standard MOQ for the 64539143147 is 100 units. However, we support mixed-model wholesale orders. You can combine this SKU with other BMW, Toyota, or Honda pressure sensors to optimize your shipping container utilization and reduce per-unit logistics costs.

How do you protect the M10 threads and 3-pin connectors during international transit?

Each unit is individually sealed in a moisture-proof industrial bag. For bulk shipments, we use reinforced export-grade cartons with internal anti-shock dividers and palletize all orders. This ensures that the delicate 3-pin circular connectors and critical threads arrive in perfect condition at your distribution center.