If you need a part we don't show on the site, give us a call we probably have it. (323) 325-4255 / (909) 762-3948
 
Parts Directory 126 Chassis
Body
Interior
Air Conditioning & Heating
Brake System
Cooling System (engine)
Drive Line and Axels
Electrical, Switches and Cables
Engine (parts, seals, gaskets)
Exhaust, Vacuum and EGR
Fuel, Air and Turbo Systems
Ignition
Steering
Suspension
Transmission (automatic)
Wheel, Hub & Tire
Wiper & Washer
 
Mercedes W126 420SEL
126 Long Chassis 1981 - 1991
Models
300SDL,SEL, 350SDL, 380SEL,420SEL, 500SEL, 560SEL.
 

The worlds largest selection of new, used and hard to find Mercedes-Benz 126 long chassis transmission parts. We have rebuilt and good used transmissions, auto clutch plates, flex plates, transmission mounts, transmission gasket sets, transmission pans and pan gaskets, filters, modulator valves, detent cables, pump assemblies, cooling hoses, B1 and B2 servo pistons and and a wide selection of other transmission parts. If you don't see the parts you need on the website give us a call we probably have it.

Whether you're restoring a classic or  keeping your daily driver running and looking its best we have the parts you need.

Transmission (Automatic)
Auto clutch plate Transmission hard parts   B1&B2 Band servo/piston
Transmission Bands Modulator valves  
Flex plate Detent cable  
Transmission mount Dip sticks  
Transmission filters and filter kits Oil pans  
Gasket sets Pump assembly  
Pan gaskets Cooling hoses  
Misc gaskets and sealing systems Transmission fluid cooler  
 
 

Auto Trans Clutch Plate
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K1 & K2
 
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Rev
Auto trans clutch plate
420SEL, 500SEL, 560SEL
A Fed K1 w/722.303
B Fed K2 w/722.303
C Rev w/722.303
Req. 4 for each position
W126L Clutch Plates
 
 
Transmission bands
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B1 (A)
 
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B2 (C)
Auto transmission bands
A B1 Band - 420SEL, 500SEL, 560SEL
B B2 Band - 420SEL, 500SEL, 560SEL
 
 
W126L Transmission Bands
 

B1 & B2 Pistons
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B1 trans band piston (A)
 
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B2 trans band piston (B)
B1 and B2 transmission band pistons
420SEL, 500SEL, 560SEL 81-91
A B1 trans band piston
B B2 trans band piston
 
W126L Transmission Band Pistons
 

Filter Kit
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Filter kit w/gasket fed (A)
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Filter kit w/gasket cal 85 (B)
Auto trans filter and kit
A 420SEL, 500SEL, 560SEL 81-91
B 
 
W126L Transmission Filter Kit
 

 Pan Gasket
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(A)
 
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(B)
Pan gasket
A 420SEL, 500SEL, 560SEL 81-91
B 
 
Match shape to your oil pan
W126L Transmission Pan Gasket
 

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Flex Plate
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Flex plate (A)
 
 
 
Transmission flex plate
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A New (not available at this time)
B Used
 
W126L Transmission Flex Plate
 

Transmission Mount
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(A)
 
 
 
Transmission mount
A 420SEL, 500SEL, 560SEL 81-91
 
 
W126L Transmission Mount
 

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 Gasket Set
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(A)
 
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(B)
Gasket set for rebuild
A  420SEL, 500SEL, 560SEL 81-91
B
 
 
W126L Transmission Gasket Set
 

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Gaskets and Sealing Systems
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Oil pump o-ring (A)
 
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Output shaft seal (B)
Gaskets and sealing systems
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A Oil pump O-ring
B Output shaft seal
W126L Transmission Gaskets & Seals
 

 
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Torque converter seal (C)
 
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Trans case gasket (D)
Gaskets and sealing systems
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
C Torque convertor seal
D Transmission case gasket
 
W126L Transmission Gaskets & Seals
 

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Detent cable seal (E)
 
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Dip stick tube seal (F)
Gaskets and sealing systems
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
E Detent cable seal
F Dip stick tube seal
 
W126L Transmission Gaskets & Seals
 

 
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Modulator valve seal (G)
 
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Trans reaction valve seal (H)
Gaskets and sealing systems
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
G Modulator valve seal
H Transmission reaction seal
 
W126L Transmission Gaskets & Seals
 

 
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Reverse piston seal inner (J)
 
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Reverse piston seal outer (K)
Gaskets and sealing systems
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
I Reverse piston seal inner boot between front cover and reverse piston
J Reverse piston seal outer boot between front cover and reverse piston
 
J      $  
List       5.90
K          9.55
List      10.00
 

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Modulator valves
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Modulator valve (A)
 
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Modulator valve (B)
Transmission hard parts
Modulator valves
A 420SEL, 560SEL All Red Top Versions
B All Green Top Versions
 
W126L Transmission Gaskets & Seals

 

 

 
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Modulator valve (C)
 
 
 
Transmission hard parts
Modulator valve
C 500SEC
 
 
C      $  63.98
List       65.00
 
 
126 Modulator valves
Add to Cart

 Detent Cables
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Detent cable (A)
 
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Detent cable (B)
Transmission detent cable
A 420SEL,500SEL,560SEL
B 
 
W126L Detent/Kickdown Cable
 

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 Dip Stick   
 
 
 
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Dip stick (A)
Dip stick
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A Dip stick
 
 
W126L Dipstick
 

 Oil Pans
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Oil pan (A)
 
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Oil pan ()
Transmission oil pan
Transmission oil pan Genuine Mercedes
 420SEL 500SEL, 560SEL 1981 - 1991
B 
W126L Oil Pan
 

 Pump Assembly
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Pump assembly (A)
 
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Reaction valve brake band (B)
Pump assy & reaction valve
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A Pump assembly
B Reaction valve brake band B2
 
W126L Pump Assembly
 
 
Cooling Hoses
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Cooling line hose (A)
 
 
Cooling line hose (B)
Transmission cooling
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A Transmission cooling line hose
B Transmission cooling line hose Used
 
Call For Availability
A      $  NIS
B          25.00
List       50.00
 
126 Trans cooler lines
Add to Cart

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Transmission cooler
 
Transmission fluid cooler (A)
 
 
 
Transmission fluid cooler
300SD, 380SE, 500SEC, 560SEC 1981 - 1991
A Transmission fluid cooler Used only
 
Call For Availability
A      $  85.00
List     175.00
 
 

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