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Mercedes A/C O-Ring Santech 0139977945

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View complete vehicle coverage Hide complete vehicle coverage 12 makes and models · 59 applications

Mercedes-Benz GL320 — 2007–2009 (3 applications)
Mercedes-Benz GL350 — 2010–2012 (3 applications)
Mercedes-Benz GL450 — 2007–2012 (6 applications)
Mercedes-Benz GL550 — 2008–2012 (5 applications)
Mercedes-Benz ML320 — 2007–2009 (3 applications)
Mercedes-Benz ML350 — 2006–2011 (11 applications)
Mercedes-Benz ML450 — 2010–2011 (2 applications)
Mercedes-Benz ML500 — 2006–2007 (2 applications)
Mercedes-Benz ML550 — 2008–2011 (4 applications)
Mercedes-Benz ML63 AMG — 2007–2011 (5 applications)
Mercedes-Benz R320 — 2007–2009 (3 applications)
Mercedes-Benz R350 — 2006–2012 (12 applications)

Mercedes-Benz GL320

2007 Mercedes-Benz GL320 CDI

Sport Utility 164.822 3.0L V6 — 642.940

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz GL320 CDI

Sport Utility 164.822 3.0L V6 — 642.940

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz GL320 Bluetec 4M

Sport Utility 164.825 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz GL350

2010 Mercedes-Benz GL350 Bluetec 4M

Sport Utility 164.825 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz GL350 Bluetec 4M

Sport Utility 164.825 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2012 Mercedes-Benz GL350 Bluetec 4M

Sport Utility 164.825 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz GL450

2007 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2012 Mercedes-Benz GL450 Base

Sport Utility 164.871 4.7L V8 — 273.923

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz GL550

2008 Mercedes-Benz GL550 Base

Sport Utility 164.886 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz GL550 Base

Sport Utility 164.886 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz GL550 Base

Sport Utility 164.886 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz GL550 Base

Sport Utility 164.886 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2012 Mercedes-Benz GL550 Base

Sport Utility 164.886 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML320

2007 Mercedes-Benz ML320 CDI

Sport Utility 164.122 3.0L V6 — 642.940

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz ML320 CDI

Sport Utility 164.122 3.0L V6 — 642.940

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz ML320 Bluetec 4M

Sport Utility 164.125 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML350

2006 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2007 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz ML350 Base

Sport Utility 164.156 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz ML350 Base

Sport Utility 164.156 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz ML350 Bluetec 4M

Sport Utility 164.125 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML350 4Matic

Sport Utility 164.186 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML350 Base

Sport Utility 164.156 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML350 Bluetec 4M

Sport Utility 164.125 3.0L V6 — 642.820

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML450

2010 Mercedes-Benz ML450 Hybrid 4M

Sport Utility 164.195 3.5L V6 — 272.973

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML450 Hybrid 4M

Sport Utility 164.195 3.5L V6 — 272.973

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML500

2006 Mercedes-Benz ML500 Base

Sport Utility 164.175 5.0L V8 — 113.964

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2007 Mercedes-Benz ML500 Base

Sport Utility 164.175 5.0L V8 — 113.964

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML550

2008 Mercedes-Benz ML550 Base

Sport Utility 164.172 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz ML550 Base

Sport Utility 164.172 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz ML550 Base

Sport Utility 164.172 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML550 Base

Sport Utility 164.172 5.5L V8 — 273.963

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz ML63 AMG

2007 Mercedes-Benz ML63 AMG Base

Sport Utility 164.177 6.3L V8 — 156.980

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz ML63 AMG Base

Sport Utility 164.177 6.3L V8 — 156.980

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz ML63 AMG Base

Sport Utility 164.177 6.3L V8 — 156.980

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz ML63 AMG Base

Sport Utility 164.177 6.3L V8 — 156.980

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz ML63 AMG Base

Sport Utility 164.177 6.3L V8 — 156.980

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz R320

2007 Mercedes-Benz R320 CDI

Wagon 251.122 3.0L V6 — 642.950

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz R320 CDI

Wagon 251.122 3.0L V6 — 642.950

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz R320 Bluetec

Wagon 251.125 3.0L V6 — 642.870

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Mercedes-Benz R350

2006 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2007 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2008 Mercedes-Benz R350 Base

Wagon 251.156 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2009 Mercedes-Benz R350 Base

Wagon 251.156 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2010 Mercedes-Benz R350 Bluetec 4M

Wagon 251.124 3.0L V6 — 642.870

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz R350 4Matic

Wagon 251.165 3.5L V6 — 272.967

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2011 Mercedes-Benz R350 Bluetec 4M

Wagon 251.125 3.0L V6 — 642.870

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2012 Mercedes-Benz R350 4Matic

Wagon 251.157 3.5L V6 — 276.958

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

2012 Mercedes-Benz R350 Bluetec 4M

Wagon 251.125 3.0L V6 — 642.870

Quantity needed: 1

Fitment note: A/C O-Ring - Compressor to Expansion Valve Line Separation Point (17.16 X 2.45 mm)

Manufacturer: Santech

SKU: 0139977945-325

Price

MSRP: $2.60

-80%

Price: $0.52

Availability: In stock

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Mercedes A/C O-Ring Santech 0139977945

Mercedes A/C O-Ring Santech 0139977945

MSRP: $2.60

-80%

Price: $0.52

The Mercedes A/C O-Ring Santech 0139977945, manufacturer part number MT0312, is a high-quality aftermarket component engineered by Santech. Designed specifically for precise fitment at the compressor to expansion valve line separation point (17.16 x 2.45 mm), this O-ring is essential for maintaining proper sealing and A/C system performance in select Mercedes-Benz vehicles.

Key Features:

Manufacturer: Santech
Manufacturer Part Number: MT0312
Placement: Compressor to expansion valve line separation point (17.16 x 2.45 mm)
Product Type: Aftermarket
OE Part Number Reference: 0139977945

Verified Fitment:

Mercedes-Benz GL320 (2007-2009, specified engine codes)
Mercedes-Benz GL350 (2010-2012, specified engine codes)
Mercedes-Benz GL450 (2007-2012, specified engine codes)
Mercedes-Benz GL550 (2008-2012, specified engine codes)
Mercedes-Benz ML320, ML350, ML450, ML500, ML550, ML63 AMG (2006-2011, specified submodels and engines)
Mercedes-Benz R320, R350 (2006-2012, specified submodels and engines)

Ensure your Mercedes-Benz A/C system operates at peak efficiency with the Santech MT0312 O-ring, engineered for durable, reliable performance.

Specifications

Product Type

Aftermarket

OE Part Number

013 997 79 45 / 0139977945

OEM

No

Manufacturer Part Number

MT0312

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4

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