Search | W123 | Vacuum

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$65.00
Currently out of stock.

W123 Sedan and Coupe Vacuum Reservoir Tank - USED

Fits 123 1977 to 1985 240D 300D 300CD

Good used tested reservoir tank as shown. Sits on top of gas tank in trunk. If this is leaking your door locks will never work. Sometimes these crack or have very small leaks. Does not include the hard vacuum line or the rubber plug at the connection pointto the tank.

$1.98

12 Golf Tees For Plugging Hoses and Testing Vacuum System

Nothing works better than wooden tapered golf tees!

When trying to troubleshoot a leak in your vacuum system or just plugging off a hose that is leaking nothing works better than these. They are the same ones that we include in your vacuum hand pump testing kit. 

$9.95

5 Way Vacuum Line Rubber Connector

Most 1986 to 1987 300SDL 300D 300TD 190D - Some 1980 to 1985 300D 300CD 300TD and 300SDL

This is no longer available so we custom make this in our shop. This hard to find 5 way vacuum connector can be used to replace a worn or deteriorated factory connector you as an alternation you can use it to replace 2 - 3 way connectors where needed.

$95.00

1977 to 1980 W123 300D CD TD Cruise Control Actuator - USED

Fits ONLY those models listed

Good used working actuator. Plastic connect clip still in tact and the threads on the adjuster are not broken as you see in most. You MUST have a good working cruise control amplifier for this unit to work properly. 

$69.95

Service: Vacuum Hand Pump Testing Kit w/ Extras

A MUST HAVE For testing all older Mercedes using vacuum controls for doors, engine, transmission, climate control, etc.

We supply a number of extras in this kit including some special rubber and plastic hose that you will not find with other vacuum hand pump testers.

$24.95

616 617 Diesel Vacuum Connector Service Kit

For 1975 to 1985 240D 300D 300CD 300TD and 300SD with the 61x diesel engine

FITS THE FOLLOWING: 115, 116, 123, and 126 chassis. Here is a diesel item I have put together that every Mercedes diesel owner should have.

$34.95

615 616 617 Diesel Healthy Vacuum Exam Kit

For all 4 and 5 cylinder diesel Mercedes 1969 to 1985 ( Except 190D)

Is your diesel suffering from hard brakes, poor or no engine shut off, climate control problems, or even funky transmission shifting??

$37.50

Early Diesel Vacuum Pump Repair Kit - No Instructions

1969 to 1979 220D 240D 300D 300CD and 300TD Only

Note: Works only on models that have two vacuum lines coming of the pump cover. I am seeing lots of vacuum pump problems with the older diesels. They are reaching that age regardless of mileage where the pumps are failing right and left.

Late Style Vacuum Pump Main Checkvalve
$92.50

Late Style Vacuum Pump Main Checkvalve ( Check Valve )

FITS THE FOLLOWING: ALL 123 and 126 chassis 240D, 300D, 300TD, 300CD, and 300SD 1980 to 1985 with later style vacuum pump (only one line coming out of top). In 1980 Mercedes changed the design of their diesel vacuum pumps.

123 300D CD TD LATE FUEL DOOR LOCK ELEMENT
$52.95

123 300D Late Fuel Door Lock Element

Fits late model 123 sedans ONLY from 1981 to 1985, such as the 300D. Be sure your gas door lock actuator matches this before ordering! This is a new plastic sealed unit as used on the later models.

Vacuum Hose
$3.75

Vacuum System Rubber Hose 1 Meter - For Small Hard line or Engine Connections

This is the small size used on most of the older models. 1/8 inch inside diameter.

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings or hose were swollen and would just not stay connected?

4 mm hard plastic vacuum line
$2.00

4 mm Hard Plastic Vacuum Line - PER METER

We have finally found a source for the engine compartment hard vacuum line! This vacuum line is white and is 4 mm in size, and is made by Cohline. It is used on all 107 108 109 110 111 113 114 115 116 123 124 126 chassis.

On Demand Video
$6.99

How to Test the VCV ( Vacuum Control Valve ) for Proper Operation - On Demand Video

Includes theory on how it controls transmission shifting and test procedures with it hooked up to the vacuum system with the engine running.

Kent will explain the theory of operation in simple terms, why it is so important for proper transmission shifting performance, and how to test it hooked up to the engine's vacuum system with the engine running.

$18.75

Rubber Diaphragm Door Lock Actuator Slow Leak Fix Kit w/ Video Instructions

For models from 1972 to 1980 with automatic vacuum door locks - W114, W115, W116 and W123

This kit is intended to fix SLOW LEAKS in your older door lock actuators. It is NOT intended to repair leaks caused by cracks or tears in the rubber diaphragms!! Please CAREFULLY INSPECT ALL  of the rubber on your leaking unit before ordering this kit.

On Demand Video
$12.99

Restoring 1980 and Older Rubber Vacuum Door Lock Actuators - On Demand Video

This only applies to those actuators that do NOT have cracks or tears in the rubber diaphragm

If your early door lock actuators do not have any cracks in the rubber diaphragms, but they just won't hold vacuum - it may be possible to fix them by taking them apart and cleaning and resealing the outer lip of each diaphragm.

$24.95

Vacuum System Hose Repair and Replacement Tool Kit

Works with broken hard lines and stuck hoses

Old age hardened vacuum lines and hoses can sometimes be a real pain to remove. Then tend to just get "stuck" in place. Rough attempts to disconnect them can cause damage. If you are not careful you can crack the rubber hoses or break the plastic lines when moving or pulling on them.

$68.50
Currently out of stock.

1980 to 1985 OM616 OM617 Diesel Vacuum Pump Internal and External Check Valves - Used

3 on inside the pump and the big one goes outside

Only one set like this availabe. Comes with used seals for the inside check valves. The seals are still soft. In 9 out of 10 cases if your later model vacuum pump with the single line is not working or producing very low vacuum is will either be one or more bad checkvalves or hardened seals. 

$18.00

Engine and Vacuum System Troubleshooting Gauge

Small and inexpensive gauge to have in your tool box. Reads 0-30 inches of vacuum. 12 inch vacuum hose attached

This is the same guage that we include in two other kits. See related products below. We realize some may just want a simple vacuum gauge to have in their tool box for troubleshooting purposes. A gauge like this is a "must have" if you are having vacuum related problems on your older Mercedes.

$148.00
Currently out of stock.

1981 to 1984 OM617 Turbo Diesel 3/2 Valve Assembly with Fittings - USED

Complete replacement parts that are often missing or severely damaged

Complete 3/2 valve assembly as shown with fittings and vacuum lines. Please note: This will not include all the external vacuum lines you might need for your particular engine. 3/2 valves are original O.E. (not cheap aftermarket) and work properly.

$218.00
Currently out of stock.

1977 to 1979 123 Diesel Vacuum Pump Tested

2 Parallel outline vacuum line pump for 123 early 240D, 300D, 300CD and 300TD

Good used vacuum pump. Cleaned and diaphragm inspected. Very good working condition. No instructions.

$79.50
Currently out of stock.

116 123 Early Vacuum Door Lock Actuator Assembly (single twin unit) - USED

1973 to 1980 W116 and W123 cars only - Inspected - cleaned and tested

ONE ONLY AVAILABLE This is a good used and tested vacuum door lock actuator that fits all W116 AND W123 chassis of the years listed only. This is the early style. You have one of these in each of the right side front and rear door and left side rear door.

$64.95

1973 to 1980 Vacuum Door Lock Actuator Diaphragm Repair Kit

For 1973 to 1980 107 and 116 Chassis, 1973 to 1976 114 and 115 Chassis SEDANS, and 1977 to 1980 123 Chassis

Here is a great way to save some money repairing your old Mercedes vacuum door lock actuators. When they go bad it is almost always due to cracks in the rubber diaphragms. These can be easily replaced once you remove your door panels and remove the units.

PDF
$8.95

3/2 Vacuum Valve Inspection, Testing and Repair By Kent Bergsma - Download

All 240D 300D 300CD 300TD 300SD 1980 to 1984

Until now there has been no practical information for the DIYer to know how to test and replace their own vacuum 3/2 valve assemblies. 

Downloadable PDF is 10 pages and includes step by step instructions and detailed photos to help you complete this job.

$59.50

Diesel Late 616 and 617 Used Vacuum Pump External Check Valve

FITS THE FOLLOWING: ALL 123 and 126 chassis 240D, 300D, 300TD, 300CD, and 300SD 1980 to 1985

Good Used Vacuum pump checkvalve. FITS THE FOLLOWING: ALL 123 and 126 chassis 240D, 300D, 300TD, 300CD, and 300SD 1980 to 1985 with later style vacuum pump (only one line coming out of top). You might consider getting a spare while these are still available.

$9.80
Currently out of stock.

Small Vacuum System Hose assortment

5 Misc pieces to be primarily used throughout vacuum system

5 pieces 11" to 16" long misc ends from our cutoff stock. From 1/8 inch to 3/16 inch diameter. These can be used on various vacuum connections. Maybe some small fuel hose included. Yes, Kent does use fuel hose on vacuum systems as it will not swell and rot like regular rubber vacuum hose.

$5.75
Currently out of stock.

Short Rubber Y Connector for Diesel Vacuum Systems

Used on some 1985 300D 300CD 300TD and some 1986 to 1993 190D 300SDL 300D 300TD

This short Y connector is specific to the vacuum controls on the 601 602 and 603 Diesel engines. Note picture  below.

Sold NEW individually.

$29.50

Drivers Door Master Vacuum Switch

White Plastic

Brand new Master vacuum control switch for Drivers door on Most models 123 chassis 240D 300D - Before Ordering make sure yours looks like this one!

$18.95

616 617 Diesel VCV Shift Control Rod and Clip

All 4 and 5 cylinder diesels (US models) 1980 to 1984 300D 300CD 300TD 300SD

Good used activation rod and plastic clip as shown. Controls travel of vacuum control valve on top rear of injection pump. Plastic clip can easily break. May be some slight wear on end of metal rod but still usable.

$16.95
Currently out of stock.

Diesel Automatic Shift Control Valve Vacuum Orifice Set

Custom made for 1980 to 1985 240D 300D 300CD 300TD and 300SD

I have finally given up trying to get the original orifices from Mercedes in Germany. They are a hassle to order and one particular size is over $10 our cost! So I set out to make my own and the advantage of these is you will be able to modify them to your exact requirements!

$22.25

61x Diesel Vacuum 3/2 Way Valve Troubleshooting and Hose Replacement Kit

All 240D 300D 300CD 300TD 300SD 1980 to 1984

Until now there has been no practical information for the DIYer to know how to test and replace their own vacuum 3/2 valve assemblies. There certainly been no inexpensive hose replacement kits. This new kit by Kent Bergsma solves both those problems.

$4.95

Ultimate Oil Resistant Hi-Temp Reinforced Vacuum hose - 3 FEET

For 1/8 inch vacuum hose connectors on 240D 300D 300TD 300CD 300SD

I have never been impressed with the rubber vacuum hose found on older Mercedes diesels. I don't think the engineers ever anticipated how much abuse or how long these hoses would need to last!

$128.50

616 617 Diesel Vacuum Fuel Shut Off Valve ( Used )

For 240D 300D 300CD 300TD 300SD 1977-1985 - recent replacement

Excellent used low time vacuum shutoff valve. Good used condition. Tested to hold vacuum. Operates and holds and releases vacuum correctly. Includes used gaskets that are still usable, mounting plate and bolts as shown.

L FITTING
$2.95

Vacuum System Rubber Connector - L for Small Hard Line

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a L shaped fitting that fits 115, 116, 123, and 126 chassis.

Y fitting
$2.90

Vacuum System Rubber Connector - Y for Small Hard Line

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a Y shaped fitting that fits 115, 116, 123, and 126 chassis.

+ FITTING
$2.75

Vacuum System Rubber Connector - 4 way for Small Hard Line

When was the last time you knocked one of your vacuum lines off around the oil filter housing, only to discover when you tried to reattached it that the fittings were swollen and would just not stay connected? This is a + shaped fitting that fits 115, 116, 123, and 126 chassis.

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