How to remove and refit the vacuum pump on Audi 100?

Removing the vacuum pump on engines with 4-cylinders requires the first step of prising out the covers, unscrewing the retaining nuts and removing the top cover. The vacuum pump is at the back of the left hand side of the cylinder block. Detach the vacuum hose at the very top of the pump by pulling off the retaining clip, loosen the retaining bolt and remove it to remove the pump retaining clamp. Removal of the vacuum pump in the cylinder block should be done and the sealing ring should be recovered and thrown away and a new sealing ring should be used during refitting. To refit, put the new sealing on the vacuum pump and put oil on to facilitate installation. Position the slot of the drive gear with the dog of the drive shaft, making sure that it is in correct position on the drive shaft (4-cylinder engines). Reinstall the retaining clamp and tighten the retaining bolt, and reconnect the vacuum hose, and fasten it with the retaining clip and before reattaching and tightening the top cover. In the 5-cylinder engines, the vacuum pump is attached on the left-hand side of the cylinder head. To remove the pump, remove the top cover, then disconnect the vacuum hose and unscrew the retaining nuts and washers and remove the pump and its pushrod. Refitting should be done with a new sealing ring discarded. Install the new sealing ring on the pump body and fit the pushrod and manoeuvre the pump into place making sure the pushrod is in place. Install the pump on its studs, re-attach the washers and retaining nuts and tighten them on. Lastly, reattach the vacuum hose and fit into the retaining clip.

How can the operation of the braking system vacuum pump be checked using a vacuum gauge on Audi A3?

Operation of the braking system vacuum pump is verifiable by means of a vacuum gauge after first removing the engine top cover and air filter housing with the vacuum pump being on the diesel model being in one with the fuel lift pump. Unhook the vacuum hose with the pump and hook the gauge with an appropriate length of hose on the pump union. Crank the engine and idle it, recording the vacuum formed by the pump, at least one minute later it should be at least about 500 mm Hg. When the vacuum is considerably lower then the pump might be defective and the opinion of an Audi dealer should be taken before it is condemned. Once more attach the vacuum hose since the vacuum pump cannot be overhauled because it is not available as discrete parts; in case of fault, the entire assembly of the pump needs to be replaced. Refitting will necessitate a new pump O-ring. Unscrew the retaining clip, unscrew the vacuum hose on the top of the pump and record the positions of the fuel supply and return hose before disconnection. Unscrew the two larger upper mounting bolts and the two smaller lower mounting bolts, remove the vacuum pump out of the cylinder head recovering the O-ring seals to disgrace and get new ones to replace them. Install the new O-ring seals on the vacuum pump and smear it with oil so that it can fit into position, then position the vacuum pump into position by making sure that the slot on the pump drive gear fits into the slot of the pump driveshaft. Install pump retaining bolts and tighten them to the required torque, re-connect fuel hose, re-connect vacuum hose and attach it with the retaining clip, and lastly, install air filter housing and engine cover.

Genuine Audi Vacuum Pump

Vacuum Pressure Pump

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15 Vacuum Pumps found

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Audi Vacuum Pump Part Number: 4B0-907-325
$185.64 MSRP: $260.00
You Save: $74.36 (29%)
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Product Specifications
- Replaces: 811-907-325
Fits the following Audi Models:
- 100 | 1992-1994 | Base, CS, S | 6 Cyl 2.8 L GAS
- 100 Quattro | 1992-1994 | CS | 6 Cyl 2.8 L GAS
- 90 | 1993-1995 | Base, CS, S, Sport | 6 Cyl 2.8 L GAS
- 90 Quattro | 1993-1995 | Base, CS, Sport | 6 Cyl 2.8 L GAS
- A4 | 1996-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
- A4 Quattro | 1996-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
- A6 | 1995-2002 | Avant, Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
- A6 Quattro | 1995-2002 | Avant, Base | 6 Cyl 2.7 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 8 Cyl 4.2 L GAS
- A8 | 1997-1999 | Base | 8 Cyl 3.7 L GAS
- A8 Quattro | 1997-1999 | Base | 8 Cyl 4.2 L GAS
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Audi Vacuum Pump Part Number: 06D-145-100-H
$406.71 MSRP: $569.61
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Product Specifications
- Replaces: 06D-145-100-G, 06D-145-100-E, 06D-145-100-F
Fits the following Audi Models:
- A3 | 2006-2008 | Base | 4 Cyl 2.0 L GAS
- A4 | 2002-2009 | Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A4 Quattro | 2005-2009 | Avant, Base, Cabriolet | 4 Cyl 2.0 L GAS
- RS4 | 2007-2008 | Base, Cabriolet | 8 Cyl 4.2 L GAS
- S4 | 2004-2008, 2002 | Avant, Base, Cabriolet | 6 Cyl 2.7 L GAS, 8 Cyl 4.2 L GAS
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Audi Motor & Pump Part Number: 8E0-927-317-H
$436.22 MSRP: $610.95
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Product Specifications
- Other Name: Vacuum Pump; Motor Pump
- Replaces: 8E0-927-317, 8E0-927-317-F, 8E0-927-317-E, 8E0-927-317-A, 8E0-927-317-B
Fits the following Audi Models:
- A4 | 2002-2007 | Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A4 Quattro | 2002-2008 | Avant, Base, Cabriolet | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A5 | 2010-2012 | Cabriolet | 4 Cyl 2.0 L GAS
- A5 Quattro | 2008-2012 | Base, Cabriolet | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- A6 | 2002-2004 | Base | 6 Cyl 3.0 L GAS
- A6 Quattro | 2002-2010 | Avant, Base | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS, 8 Cyl 4.2 L GAS
- Q7 | 2007-2015 | Base, Premium, Premium Plus, Prestige, TDI, TDI Premium, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
- R8 | 2014-2015, 2008-2012 | Base, GT, GT Spyder, Plus, Spyder | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
- RS4 | 2007-2008 | Base, Cabriolet | 8 Cyl 4.2 L GAS
- RS5 | 2013-2015 | Base, Cabriolet | 8 Cyl 4.2 L GAS
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Audi Vacuum Pump Part Number: 06N-145-100-G
$97.79 MSRP: $136.97
You Save: $39.18 (29%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06N-145-100-E
Fits the following Audi Models:
- A6 Quattro | 2021-2023 | Premium, Premium Plus | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- Q5 | 2021-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- Q5 Sportback | 2021-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Audi Vacuum Pump Part Number: 06K-145-100-CB
$205.06 MSRP: $287.20
You Save: $82.14 (29%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06K-145-100-BB, 06K-145-100-J, 06K-145-100-H
Fits the following Audi Models:
- Q5 | 2018-2020 | Premium, Premium Plus, Prestige, Titanium Premium, Titanium Premium Plus, Titanium Prestige | 4 Cyl 2.0 L GAS
- Q5 PHEV | 2020 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Audi Vacuum Pump Part Number: 4A0-862-257-H
$238.00 MSRP: $333.33
You Save: $95.33 (29%)
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Product Specifications
- Other Name: Pump; Vacuum Pump
Fits the following Audi Models:
- 90 | 1993-1995 | Base, CS, S, Sport | 6 Cyl 2.8 L GAS
- 90 Quattro | 1993-1995 | Base, CS, Sport | 6 Cyl 2.8 L GAS
- A4 | 1996 | Base | 6 Cyl 2.8 L GAS
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Audi Vacuum Pump Part Number: 06L-145-100-N
$344.39 MSRP: $482.32
You Save: $137.93 (29%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06L-145-100-B, 06L-145-100-F
Fits the following Audi Models:
- A6 | 2018 | Premium, Premium Plus, Sport | 4 Cyl 2.0 L GAS
- A6 Quattro | 2018 | Premium, Premium Plus, Sport | 4 Cyl 2.0 L GAS
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Audi Vacuum Pump Part Number: 06K-145-100-CC
$349.86 MSRP: $489.99
You Save: $140.13 (29%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06K-145-100-AB, 06K-145-100-P, 06K-145-100-AE, 06K-145-100-B
Fits the following Audi Models:
- A5 Quattro | 2018-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- A5 Sportback | 2018-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- A6 Quattro | 2021-2023 | Premium, Premium Plus | 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
- Q5 PHEV | 2021-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Q7 | 2017-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Audi Vacuum Pump Part Number: 07L-145-100-F
$458.26 MSRP: $641.81
You Save: $183.55 (29%)
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Product Specifications
- Replaces: 07L-145-100-D
Fits the following Audi Models:
- RS7 | 2014-2018 | Base, Performance | 8 Cyl 4.0 L GAS
- S6 | 2013-2018 | Base, Premium Plus, Prestige | 8 Cyl 4.0 L GAS
- S7 | 2013-2018 | Base, Premium Plus, Prestige | 8 Cyl 4.0 L GAS
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Audi A.I.R. Pump Part Number: 06E-145-100-AA
$508.13 MSRP: $711.66
You Save: $203.53 (29%)
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Product Specifications
- Other Name: Vacuum Pump; Vacuum Pump
- Replaces: 06E-145-100-M, 06E-145-100-Q, 06E-145-100-R
Fits the following Audi Models:
- A4 Quattro | 2009 | Base | 6 Cyl 3.2 L GAS
- A6 Quattro | 2012-2018 | Competition, Premium, Premium Plus, Prestige, Sport, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A7 Quattro | 2012-2018 | Base, Competition, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- Q5 | 2013-2017 | Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- Q7 | 2017-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- SQ5 | 2014-2016 | Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Vacuum Pump Part Number: 06M-145-100-Q
$465.28 MSRP: $651.65
You Save: $186.37 (29%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06M-145-100-L, 06M-145-100-K
Fits the following Audi Models:
- A6 Quattro | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A6 allroad | 2020-2023 | Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- RS5 | 2021-2023, 2018-2019 | Base | 6 Cyl 2.9 L GAS
- RS5 Sportback | 2021-2023, 2019 | Base | 6 Cyl 2.9 L GAS
- RS6 Avant | 2021-2023 | Base | 8 Cyl 4.0 L MILD HYBRID EV-GAS (MHEV)
- S5 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S5 Sportback | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S6 | 2020-2023 | Premium, Premium Plus, Prestige | 6 Cyl 2.9 L MILD HYBRID EV-GAS (MHEV)
- SQ5 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- SQ5 Sportback | 2021-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Vacuum Pump Part Number: 06J-145-100-AD
$641.41 MSRP: $829.23
You Save: $187.82 (23%)
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Product Specifications
- Other Name: Vacuum Pump
- Replaces: 06J-145-100-P, 06J-145-100-G, 06J-145-100-AB, 06J-145-100-C
Fits the following Audi Models:
- A4 | 2009-2010 | Base | 4 Cyl 2.0 L GAS
- A4 Quattro | 2009-2010 | Avant, Base | 4 Cyl 2.0 L GAS
- A6 | 2012-2017 | Premium, Premium Plus | 4 Cyl 2.0 L GAS
- A6 Quattro | 2013-2017 | Premium, Premium Plus | 4 Cyl 2.0 L GAS
- Q5 | 2011-2017 | Premium, Premium Plus | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
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Audi Vacuum Pump Part Number: 8E0-927-317-J
$643.54 MSRP: $831.98
You Save: $188.44 (23%)
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Product Specifications
- Replaces: 8E0-927-317-D, 8E0-927-317-C, 8E0-927-317-G
Fits the following Audi Models:
- A6 Quattro | 2011 | Avant, Base | 6 Cyl 3.0 L GAS, 8 Cyl 4.2 L GAS
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Audi Control Module Part Number: 4A0-862-257-J
$912.73 MSRP: $1180.00
You Save: $267.27 (23%)
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Product Specifications
- Other Name: Pump; Control Module
Fits the following Audi Models:
- 90 | 1995 | Base, Sport | 6 Cyl 2.8 L GAS
- 90 Quattro | 1995 | Base, Sport | 6 Cyl 2.8 L GAS
- A4 | 1996 | Base | 6 Cyl 2.8 L GAS
- A6 | 1995-1998 | Avant, Base | 6 Cyl 2.8 L GAS
- A6 Quattro | 1995-1998 | Avant, Base | 6 Cyl 2.8 L GAS
- Cabriolet | 1995-1998 | Base | 6 Cyl 2.8 L GAS
- S6 | 1995 | Base | 5 Cyl 2.2 L GAS
- V8 Quattro | 1991-1994 | Base | 8 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Audi Vacuum Pump Part Number: 8L0-862-257-N
$921.86 MSRP: $1191.80
You Save: $269.94 (23%)
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Product Specifications
- Other Name: Pump; Vacuum Pump
Fits the following Audi Models:
- 100 | 1989-1992 | Base, CS, E, S | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
- 100 Quattro | 1989-1992 | Base, CS | 5 Cyl 2.3 L GAS, 6 Cyl 2.8 L GAS
- 200 | 1989-1991 | Base | 5 Cyl 2.2 L GAS
- 200 Quattro | 1989-1991 | 20v, 20v Avant, Avant, Base | 5 Cyl 2.2 L GAS
- 80 | 1988-1992 | Base | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS
- 80 Quattro | 1988-1992 | Base | 5 Cyl 2.3 L GAS
- 90 | 1988-1991 | Base | 4 Cyl 2.0 L GAS, 5 Cyl 2.3 L GAS
- 90 Quattro | 1988-1991 | 20v, Base | 5 Cyl 2.3 L GAS
- A4 | 1997-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
- A4 Quattro | 1997-2001 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 2.8 L GAS
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Audi Vacuum Pump

Audi Vacuum Pump delivers strong brake assist while supporting emissions systems, making every drive safer and smoother. Audi models stand out for sleek German design, the legendary Quattro all-wheel drive that grips in rain or snow, and lightweight yet rigid frames that keep handling sharp. From the early days in 1909 to the updated e-tron electric lineup, Audi pushes innovation with digital Virtual Cockpit dashboards, adaptive matrix headlights, and rigorous real-world autonomous testing. Drivers appreciate how an Audi balances sporty acceleration, refined cabins, and forward-thinking technology in daily commutes or weekend road trips. At the heart of these vehicles, the Vacuum Pump creates negative pressure when modern engines cannot, supplying the brake booster, turbo actuators, and climate control flaps with a steady vacuum reserve so pedal effort stays light and cabin comfort stable. Mounted to the camshaft for direct drive or wired as an electric helper during idle, each Vacuum Pump minimizes engine load, saves fuel, and keeps emissions equipment functioning correctly. Rotary vane construction in newer units gives compact size and smooth output, while integrated oil flow keeps moving parts cool and lubricated. A well-maintained Vacuum Pump therefore extends component life and preserves crisp brake response, matching the high standards that define every Audi on the road.

Stick with genuine OEM Vacuum Pump when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Vacuum Pump you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.

Audi Vacuum Pump Parts and Q&A

Vacuum Pump
4B0-907-325
Q: How to remove and refit the vacuum pump on Audi 100?
A:
Removing the vacuum pump on engines with 4-cylinders requires the first step of prising out the covers, unscrewing the retaining nuts and removing the top cover. The vacuum pump is at the back of the left hand side of the cylinder block. Detach the vacuum hose at the very top of the pump by pulling off the retaining clip, loosen the retaining bolt and remove it to remove the pump retaining clamp. Removal of the vacuum pump in the cylinder block should be done and the sealing ring should be recovered and thrown away and a new sealing ring should be used during refitting. To refit, put the new sealing on the vacuum pump and put oil on to facilitate installation. Position the slot of the drive gear with the dog of the drive shaft, making sure that it is in correct position on the drive shaft (4-cylinder engines). Reinstall the retaining clamp and tighten the retaining bolt, and reconnect the vacuum hose, and fasten it with the retaining clip and before reattaching and tightening the top cover. In the 5-cylinder engines, the vacuum pump is attached on the left-hand side of the cylinder head. To remove the pump, remove the top cover, then disconnect the vacuum hose and unscrew the retaining nuts and washers and remove the pump and its pushrod. Refitting should be done with a new sealing ring discarded. Install the new sealing ring on the pump body and fit the pushrod and manoeuvre the pump into place making sure the pushrod is in place. Install the pump on its studs, re-attach the washers and retaining nuts and tighten them on. Lastly, reattach the vacuum hose and fit into the retaining clip.
Vacuum Pump
06D-145-100-H
Q: How can the operation of the braking system vacuum pump be checked using a vacuum gauge on Audi A3?
A:
Operation of the braking system vacuum pump is verifiable by means of a vacuum gauge after first removing the engine top cover and air filter housing with the vacuum pump being on the diesel model being in one with the fuel lift pump. Unhook the vacuum hose with the pump and hook the gauge with an appropriate length of hose on the pump union. Crank the engine and idle it, recording the vacuum formed by the pump, at least one minute later it should be at least about 500 mm Hg. When the vacuum is considerably lower then the pump might be defective and the opinion of an Audi dealer should be taken before it is condemned. Once more attach the vacuum hose since the vacuum pump cannot be overhauled because it is not available as discrete parts; in case of fault, the entire assembly of the pump needs to be replaced. Refitting will necessitate a new pump O-ring. Unscrew the retaining clip, unscrew the vacuum hose on the top of the pump and record the positions of the fuel supply and return hose before disconnection. Unscrew the two larger upper mounting bolts and the two smaller lower mounting bolts, remove the vacuum pump out of the cylinder head recovering the O-ring seals to disgrace and get new ones to replace them. Install the new O-ring seals on the vacuum pump and smear it with oil so that it can fit into position, then position the vacuum pump into position by making sure that the slot on the pump drive gear fits into the slot of the pump driveshaft. Install pump retaining bolts and tighten them to the required torque, re-connect fuel hose, re-connect vacuum hose and attach it with the retaining clip, and lastly, install air filter housing and engine cover.