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Details
| Specification | Value |
|---|---|
| Brand | LAUBER |
| MPN | 55.9937 |
| Pressure [bar] | 135 bar |
| Operating Pressure [bar] | 135 bar |
| Operating Mode | HY |
| Thread Size 1 | M 16 x 1.5 |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- AUDI—4D0 145 155 D
- AUDI / VW—4H0 145 155 D
Where this part fits
Original-fit position for OE 4H0145155D. The red ring marks where this part installs on the vehicle.
About this product
LAUBER Hydraulic Pump Steering (55.9937) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Pressure [bar]: 135 bar, Operating Pressure [bar]: 135 bar, Operating Mode: Hybrid, Valve Type: Nylon, Rotation Direction: 50 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 4D0 145 155 D, 4H0 145 155 D, 7697 955 511, 7697955511-60 and 2 more. Matching these numbers confirms a like-for-like replacement with no loss of function. LAUBER is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (4)
Hydraulic Pump Steering LAUBER 55.9937 — compatible car models
| Car models | AUDI: A8 D4 (4H2, 4H8, 4HC, 4HL) |
|---|---|
| Engines | 4.2 FSI quattro |
| Year of manufacture | 2009-2019 |
| Manufacturer article number (MPN) | 55.9937 |
| OE part numbers | 4D0 145 155 D, 4H0 145 155 D |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
LAUBER 55.9937 . Operating Mode: HY. Operating Pressure [bar]: 135 bar. Pressure [bar]: 135 bar. Pump Type: 4. Rotation Direction: 50. Thread Size 1: M 16 x 1,5. Valve Type: 14
- 1x Hydraulic Pump Steering
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Hydraulic Pump Steering compatible with my car?
This Hydraulic Pump Steering fits AUDI vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this LAUBER Hydraulic Pump Steering have?
This LAUBER Hydraulic Pump Steering has the following specifications: Pressure [bar]: 135 bar; Operating Pressure [bar]: 135 bar; Operating Mode: HY; Valve Type: 14; Rotation Direction: 50; Pump Type: 4. Check the full specifications table above for complete details.
What OE part numbers does this Hydraulic Pump Steering replace?
This Hydraulic Pump Steering replaces OE part numbers: 4D0 145 155 D, 4H0 145 155 D. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Hydraulic Pump Steering cost?
This LAUBER Hydraulic Pump Steering is available for £172.99. Hydraulic Pump Steering prices vary depending on brand, specifications, and vehicle compatibility. LAUBER parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Hydraulic Pump Steering?
Regular inspection of your Hydraulic Pump Steering is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Hydraulic Pump Steering?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Hydraulic Pump Steering fitted by a professional mechanic.
Can I use this part as a replacement for OE 4D0 145 155 D?
Yes, this LAUBER Hydraulic Pump Steering is a direct replacement for OE part number 4D0 145 155 D. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
