Fuel, Air and Turbo Systems

W126 Long Chassis

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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 fuel, air and turbo parts. We have fuel gauges, standard and high performance fuel injectors, used and rebuilt fuel injection pumps, primer pumps, fuel pumps, fuel sending units, fuel injection lines, filters, accelerator linkages, anything you need to fix or upgrade your fuel system. Our inventory of air cleaner system parts includes housings, hoses, filters, and a wide collection of other assorted parts. We also have good used and rebuilt turbo chargers and hoses. 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.

Fuel, Air and Turbo Systems
Accelerator linkage FI idle air cont valve Turbo charger
Fuel filter FI idle air cont unit Turbo charger parts
Fuel injectors Diesel FI lambda cont unit Crankcase breather hoses/parts
Fuel injectors & parts Gas FI pressure regulator  
Fuel injection pump and parts Fuel Gauge (see interior gauges)  
Fuel injector line Air cleaner brackets and mounts  
Fuel pump and primer pump Air cleaner intake / connecting hoses  
Fuel pump electric Air cleaner housing  
Fuel hose Air filters  
Fuel tank and parts Airflow sensor flange  
Fuel sending unit Airflow meter adj kit  
Fuel distributor Airflow meter boot  
FI  electro hyd act valve Airflow potentiometer  
     
 

 
Accelerator Linkage
Linkage mount
Accelerator (A)
 
 
 

 

 
Accelerator linkage mount  at fire wall
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
A Mount
 
W126L Accelerator Linkage Mount

Linkage
 
From mount to engine (B)
 
 
From mount to engine (C)
Accelerator linkage - front mount to engine
B 300SD, 1981 thru 1985 used only
 
C 380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
 
W126L Accelerator Linkage to FI Pump

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Fuel Filters
Main fuel filters
Bosch (A)
 
 
Mahle (B)
Fuel filters Main
300SD 1981 thru 1985
A Bosch
B Mann
 
W126L Fuel Filters
 
Fuel Filters
Main fuel filters
Bosch (C)
 
 
Meyle (D)
Fuel filters Main
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
C Mahle
D Mann
W126L Fuel Filters

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In line 90deg Bosch (E)
 
In line 90 deg Meyle (F)
Fuel filters In line
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
E Bosch
F Hengst
W126L Fuel Filters

 
mercedes auto works
In line 90deg with brass fittings Genuine
 
 
 
In line fuel filter with brass insert
G Genuine Mercedes - white
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
 
W126L Fuel Filters
 
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Fuel Injectors Diesel
Bosch (A)
 
Monark (B)
Fuel injectors Diesel
300SD 1981 thru 1985
A  Bosch Turbo 135 bar. Standard replacement injector
B  Monark Turbo 135 bar. High performance injector.
 
The Monark injector has an improved spray pattern for more power, smoother idle, less smoke, and  better overall performance. Should be installed in sets, do not mix with bosch
W126L Fuel Inj Sgl Units
 
Bosch Fuel Injector Sets
Bosch (C)
 
 
 
Bosch Fuel Injector Sets
300SDL 1986 & 1987
C 135 bar. Set of 6 Bosch Factory replacement
Includes new heat shield washers and return line hose.
includes $10.00 per injector core charge, reimbursed when old injectors are returned.
 
Bosch injectors
Add to Cart

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Monark Fuel Injector Sets
Monark Matched Sets (D)
 
 
 
Monark Fuel Injector Sets
300SDL 1986 & 1987
D 135 bar. Set of 6 - Monark Matched sets
Monark matched to within 50lbs
Includes new heat shield washers and return line hose.
This is one of the most significant performance upgrades you can add to your car and for the price, by far the best bang for the buck out there. Built on Bosch bodies
includes $10.00 per injector core charge, reimbursed when old injectors are returned.
W126L Monark Sets
 
Bosio Fuel Injector Sets
Bosio Matched Sets
 
 
 
Bosio Fuel Injector Sets
300SDL 1986 &1987
D Turbo 135 bar. Set of 6
Sets are matched to within 50lbs
Includes new heat shield washers and return line hose.
Slight improvement over the Monark injectors. Better flow rates and bench tests.
includes $10.00 per injector core charge, reimbursed when old injectors are returned.
 
 
 
Heat Shield Washer
Fuel injector heat shield
 
 
 
Fuel injector heat shield washer
 1981 thru 1985
A 1 pc
B 6 pcs
Use one per injector, should be replaced with injectors to assure
proper seal.
W126L Fuel Inj. Heat Shield

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Fuel injector Pump and Parts
Fuel injection pump
 
 
1985 California version
Fuel injection pump Turbo 5 cylinder
A 300SDL Used 1986 thru 1987
 
B 300SDL New Remanufactured
 
W126L Fuel Inj. Pump 6cyl 86-87

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Fuel injection pump gasket
 
 
 
Solenoid gasket
FI Pump mounting gasket, Solenoid gasket
300SD 1981 thru 1985
A Fuel injection pump gasket
B Solenoid gasket
 
A      $ 1.85
List      2.00
B         1.95
List      2.90
126 FI & Solenoid gaskets
Add to Cart

 
Shut down solenoid
 
 
 
Shut down solenoid
300SD 1981 thru 1985
A New
B Used
 
A       $ 210.65
B           75.00
 
List       265.00
126 Shut down solenoid
Add to Cart

 


 
Rack dampener screw
 
 
Gasket for fuel pump below
A Rack dampener screw / Idle adjustment
300SD 1981 thru 1985
B Gasket for Mechanical fuel pump below
300SD 1981 thru 1985
 
A       $ 72.61
List       85.00
B       
 
126 Dampener idle screw
Add to Cart

Fuel Pump
Mechanical fuel pump with primer pump
 
 
 
Mechanical fuel pump with primer pump
300SD 1981 thru 1985
A Mechanical fuel pump new
B Mechanical fuel pump used
A   $ 188.50
B       75.00        
 
List    300.00 
126 Mech fuel pump
Add to Cart

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Primer Pump
Bosch primer pump (A)
 
 
 
Primer pump
300SD 1981 thru 1985          
A Bosch standard new version     
 
A    $  23.00
List     34.50
 
 
126 Primer pump
Add to Cart
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Fuel Injector lines
From pre pump to filter tower (A)
 
 
From filter tower to FI pump (B)
Fuel injector lines 5 and 4 cylinder
300SD 1981 thru 1985
A Line from primer pump to filter tower
 
B Line from filter tower to fuel injection pump.
On back side of fuel injection pump.  Used only
A        $ 15.75
List        24.50
B           25.00
List             0
126 FI lines
Add to Cart

 


Fuel injector lines
Injector line set 5 cylinder (C)
 
 
 
Fuel injector lines
300SD 1981 thru 1985
C From fuel injection pump to fuel injectors
Used only. Inspected for quality and condition, includes bracing.
 
C   $  85.00
List   261.00     
 
 
126 FI lines
Add to Cart

Fuel Hose
Fuel hose 7.5mm standard (A)
 
Fuel injector overflow hose 3.2mm (B)
Fuel hose
A  7.5 mm standard fuel hose 1 meter length
B  Fuel injector overflow hose 3.2 OD x 1.9 ID. 1 meter length.  If cut properly 1 meter is enough to connect 5 injectors, over to the fuel stand from # 5 and the plug at # 1.
 
W126L Fuel Hose
   
 
Fuel tank exit hose (C)
 
 Fuel tank exit hose (D)
Fuel tank exit hose 
From fuel tank to metal line (to front fuel pump)
C 300SD 1981 thru 1985
D 380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
 
W126L Fuel Exit Hose
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Fuel return (E)
 
Fuel return (F)
E Fuel return Cigar Hose  300SD 1981 thru 1985
From fuel filter tower to metal line (to fuel tank)
F Fuel return380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
From metal return line to Fuel tank
 
W126L Fuel Return Hose
Fuel Tank and Parts
 
Fuel tank (A)
 
 
Fuel tank (B)

Fuel tank 
A
B
 
 
Fuel tank sending unit
Fuel tank sending unit (C)
 
 Fuel tank sending unit (D)
Fuel tank sending unit.
In tank to signal fuel gauge
A 300SDL Reman. 90day warr
B 380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991Reman. 90 day warr.
 
W126L Fuel Sending Units
 

 
 Seal for fuel tank sending unit (E)
 
Filler neck seal (F)
 C O-ring seal for Fuel sending unit
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
D Filler neck seal
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
W126L Fuel Tank Seals
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Tank cap metal (G)
 
Tank cap plastic (H)
Fuel tank cap
380SE,SEC,SEL,420SEL, 500SEC,SEL, 560SEC,SEL .1981 thru 1991
E Metal OEM
F Plastic
 
W126L Fuel Tank Cap

 
Fuel tank screen (I)
 
Fuel tank screen  (J)
Fuel tank screen
G 300SD 1981 thru 1985
H 380SE,SEC,SDL, 500SEC, 560SEC .1981 thru 1991
 
W126L Fuel Tank Screens
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Fuel door lock actuator (K)
 
Fuel door lock actuator (L)
Fuel door lock actuator
I 300SD,SDL, 380SE,SEC, 500SEC
J 560SEC
 
W126L Fuel Door Lock Actuator

 


Air Cleaner Parts
 
Air cleaner housing   86-87
 
 
Air cleaner housing
Air cleaner housing  Used only
A 300SDL 86-87
 
 
W126L Air Cleaner Housing

 


 
 
Air cleaner housing   (C)
 
 
Air cleaner housing   (D)
Air cleaner housing Used only
B 380SE,SEC, 420SEL, 500SE, SEC
C 560SEC
 
W126L Air Cleaner Housing

 

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Air Filters
Meyle  (A)
 
 
Mahle (B)
 
Air Filter
300SDL,380SE,SEC, 420SEL, 500SEC,SEL
A Meyle
B Mahle
 
W126L Air Filter

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Mounting bushings
Mounting bushings hex shape
 
Mounting bushings round shape
Mounting bushings hex shape Req. 3
300SD 1981 thru 1985 
A Hex shape 3pcs
B Round shape 3pcs
 
A       $ 9.27
List     17.25
B          5.99
List     17.25
126 Mounting bushings
Add to Cart
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Air cleaner intake / connecting hoses
 
Air cleaner housing to turbo (A)
 
Air cleaner housing to turbo (B)
A   Air cleaner housing to turbo. 
300SD 1981 thru 1985  (except cal 85). used only. includes clamps.
B   Air cleaner housing to turbo California version
300SD 1985 California version with filter mounted behind passenger side front headlight.
 
A     $ 65.00
List
B        55.54
List     52.50
126 Intake hose
Add to Cart

 
Air cleaner intake hose to housing (C)
 
 
 
C  Air cleaner intake hose front to housing
300SD 1981 thru 1985 (except cal 85)
 
 
C     $ 21.11
List     27.50
 
 
126 Front to housing
Add to Cart

 


Crankcase breather hoses
Crankcase breather hose (A)
 
 
Crankcase at valve cover (B)
 
A   Crankcase breather hose
300SD 1981 thru 1985  (except cal 85)
B   Crankcase at valve cover
300SD 1981 thru 1985  (except cal 85)
A     $  8.25
List    14.50
B         4.75
List     8.00
126 Breather hose
Add to Cart
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Crankcase breather hose (C)
C  Crankcase breather hose
300SD 1981 thru 1985  (except cal 85)
 
 
C    $ 38.40
List   48.50
 
 
126 Breather hose
Add to Cart

Turbo and Related Parts
 
Turbo 82 - 85 (except cal 85) (A)
 
 
Turbo California 1985 only (B)
A  Turbo 81 - 85 (except cal 85) Used only
300SD 1981 thru 1985  (except cal 85)
B  Turbo California 1985 only  Used only
1985 connects to trap can pollution control device
Match picture and port location for proper fit
A   $  275.00
B       325.00 
 
 
126 Turbo Chargers
Add to Cart                                   

 

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Air intake to air filter housing o-ring (A)
 
Intake pipe to turbo (B)
A  Air intake to air filter housing o-ring
300SD 1981 thru 1985  (except cal 85)
B  Intake pipe to turbo
300SD 1981 thru 1985  (except cal 85)
A     $ 6.60
List     9.25
B      11.87
List     9.25
126 Air intake seals
Add to Cart

 
Upper connection at  top of intake pipe (C)
 
Breather at fuel tank (D)
C  Upper connection at  top of intake pipe
 
D Breather at fuel tank
 
C     $  7.27
List      5.50
D    $ 23.81
List    24.50
126 Air intake seals                            
Add to Cart
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Gas
Airflow
Airflow sensor flange (A&B)
 
 
 
 
Air flow sensor flange
380SE, SEC ,SEL, 420SEL, 500SEC,SEL
A new
 
W126L Air Flow Sensor Flange
 
Airflow meter boot (C)
Airflow potentiometer (D)
A Airflow meter boot
380SE, SEC ,SEL, 420SEL, 500SEC,SEL
B Airflow potentiometer
380SE, SEC ,SEL, 420SEL, 500SEC,SEL
W126L Air Flow Boot & Pot
 
Fuel Distributor
Fuel distributor (A)
 
 
 
Fuel distributor  82-85
A  380SE, SEC, 500SEC
 
$100.00 core charge, send old unit back for refund. Return packaging materials included
W126L Fuel Distributor 82-85

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Fuel distributor (B)
 
Fuel distributor (C)
Fuel distributor   86-91
B  420SEL, 560SEC,SEL up to 037641
C  560SEC,SEL from 037642
$100.00 core charge, send old unit back for refund. Return packaging materials included
W126L Fuel Distributor 86-91

Electro hydraulic actuator
FI electro hyd actuator valve (A)
 Airflow meter kit
Airflow meter kit (B)
A Fuel Injection electro hydraulic actuator valve
380SE, SEC, 500SEC
B Airflow meter adjustment kit
380SE, SEC, 500SEC
A     $  51.76
List    173.35
B    $   120.00    
List      262.00
126 F.I. hydro & airflow adj.
Add to Cart

FI injection idle control valve
FI idle air control valve (A)
 
FI idle air control valve (B)
Fuel injection idle air control valve
A 380SE, SEC, 500SEC,SEL 82-85
B 420SEL,560SEC 86-91
 
W126L FI Idle Control Valve

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FI idle control unit
FI idle control unit (A)
 
FI idle control unit (B)
Fuel injection idle control unit
A 380SE,SEC, 500SEC,SEL 82-85
B 420SEL,560SEC 86-91
 
W126L FI Idle Control Unit

FI lambda control unit
FI lambda control unit (A)
 
FI lambda control unit (A)
Fuel injection lambda control unit
A 380SE,SEC, 500SEC,SEL 82-85
B 420SEL,560SEC 86-91
 
W126L FI Lambda Control Unit

FI pressure regulator
Pressure regulator (A)
 
Pressure regulator (B)
Fuel injection pressure regulator
A 380SE,SEC,SEL, 500SEC,SEL 82-85
B 420SEL,560SEC,SEL 86-91
 
W126L FI Fuel Pressure Regulator

Fuel Injectors Gas
Bosch injector (A & B)
 
Bosch injector (C & D))
Bosch injectors Gas
A 1pc  380SE,SEC,SEL, 500SEC,SEL 82-85
B Set of 8  380SE,SEC,SEL, 500SEC,SEL 82-85
C 1pc  420SEL,560SEC,SEL 86-91
D Set of 8  420SEL,560SEC,SEL 86-91
 
W126L Fuel Injectors Gas

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Fuel injector seal Gas
Seal (A&B)
 
 
 
Fuel injector seal
A 1pc  380SE,SEC,SEL, 500SEC,SEL 82-85
B Set of 8  380SE, SEC,  500SEC, 560SEC
 
 
 
W126L Fuel Injector Seal Gas

Fuel injector sleeve
Sleeve (A&B)
 
 
 
Fuel injector sleeve
A 1pc  380SE,SEC,SEL, 500SEC,SEL 82-85
B Set of 8  380SE,SEC,SEL, 500SEC,SEL 82-85
 
 
 
W126L Fuel Injector Sleeve Gas

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Fuel pump electric
Bosch (A)
 
Meyle (B)
Fuel pump electric
380SE,SEC,SEL, 500SEC,SEL 82-85
420SEL,560SEC,SEL 86-91
A Bosch
B Meyle
W126L Fuel Pump Electric

Fuel pump electric
Bosch (A)
 
Meyle (B)
Fuel pump electric
For Two Pump System
A Bosch
 
B Meyle
 
W126L Fuel Pump Electric

Fuel pump mount
Mount (E)
 
 
 
Fuel pump mount
A Rubber mount
 
 
W126L Fuel Pump Mount

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