LIWEI M0008 P155 Common Rail Nozzle | Siemens VDO Piezo Injector Replacement For K9K DCi 1.5D
video
LIWEI M0008 P155 Common Rail Nozzle | Siemens VDO Piezo Injector Replacement For K9K DCi 1.5D

LIWEI M0008 P155 Common Rail Nozzle | Siemens VDO Piezo Injector Replacement For K9K DCi 1.5D

1. Product: M0008 P155
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal

  • Fast Delievery
  • Quality Assurance
  • 24/7 Customer Service
Product Introduction

 

That first cough of black smoke on a cold morning isn't just an inconvenience; it's your engine's cry for help. In the high-stakes world of modern diesel common rail systems, a worn nozzle doesn't simply "age" - it degrades the entire combustion cycle. The LIWEI M0008 P155 isn't another aftermarket compromise. It's a precision-engineered reset button for Siemens VDO piezoelectric injectors, restoring the 180 MPa injection pressure integrity that Euro 5 K9K engines demand. When your Renault Clio, Nissan Qashqai, or Dacia Duster starts hesitating at idle or belching soot under load, the culprit is rarely the injector body itself - it's the microscopic geometry of the nozzle tip that has drifted from OEM tolerances.

 

◆ Material Science at the Microscopic Level: HSS + DLC

 

The M0008 P155 nozzle operates within modern third- and fourth-generation common rail systems, typically supporting injection pressures up to 1600–2000 bar depending on ECU calibration.

Its micro-orifice geometry ensures:

Fine atomization under rapid injection pulses

Stable spray cone formation at varying rail pressures

Reduced wall wetting for improved combustion efficiency

Controlled pilot and post-injection response behavior

This makes it suitable for Euro IV–Euro VI diesel emission architectures, where combustion cleanliness is strictly regulated.

 

◈ Application Matrix: One Nozzle, Twelve Vehicle Lines

 

 

This cross-reference coverage makes the M0008 P155 a strategic inventory piece for European diesel workshops. Whether you're servicing a 2010 Nissan Qashqai commuter or a fleet of Renault Kangoo delivery vans, a single nozzle SKU covers the entire K9K piezo injector ecosystem.

 

◆ System Integration: Piezoelectric Precision vs. Solenoid Legacy

 

 

Siemens VDO's piezoelectric injectors reduced moving parts from four to one compared to earlier solenoid designs, cutting actuator mass by 75% and achieving 0.1 ms response times. The M0008 P155 is engineered to complement this speed. Its orifice geometry supports up to five injection events per cycle - pilot, pre, main, post, and after - enabling the stratified combustion strategies that modern ECUs rely on for NOx reduction. A solenoid-era nozzle retrofit into a piezo system would destroy this choreography. The M0008 P155 preserves the multi-pulse sequence, ensuring your engine doesn't just run; it runs within the emissions calibration window the manufacturer intended.

 

◈ The Diagnostic Angle: When to Replace vs. When to Rebuild

 

 

Not every rough idle demands a full injector replacement. For fleet managers and independent garages, the M0008 P155 offers a cost-effective rebuild pathway. If your scan tool shows P0201-P0208 (injector circuit malfunction) or P0087 (low rail pressure) but the injector body tests electrically sound, the nozzle is the prime suspect. Symptoms pointing directly to nozzle degradation include:

▸ Black smoke under acceleration (over-fueling due to poor atomization)

▸ White smoke on cold start (unburnt diesel from dribbling orifice)

▸ Hard starting with extended cranking (low rail pressure from leakage)

▸ Rhythmic engine knock at idle (irregular spray pattern causing detonation)

Replacing the nozzle rather than the entire injector assembly can reduce parts cost by 60-70% while restoring OE-level performance.

 

❓ Frequently Asked Questions (FAQ)

 

Q1: Why does my K9K engine produce black smoke only under heavy acceleration? Black smoke indicates incomplete combustion from over-fueling. In piezo common rail systems, this typically occurs when the nozzle orifice has worn larger than spec, causing the ECU's fuel map to deliver more diesel than the cylinder can burn. The M0008 P155 restores the calibrated orifice diameter, re-establishing the correct air-fuel ratio.

Q2: How does the DLC coating on the M0008 P155 differ from standard black oxide finishes? Standard black oxide provides minimal wear resistance. The M0008 P155's DLC coating is a vacuum-deposited amorphous carbon film with diamond-like hardness (20-30 GPa) and graphite-like lubricity. It reduces friction by up to 50% in fuel-lubricated environments and resists the corrosive effects of modern diesel additives.

Q3: Can I install this nozzle in a solenoid-type Siemens injector? No. The M0008 P155 is specifically matched to piezoelectric injector bodies (5WS40536 family). Solenoid injectors operate at different hydraulic response rates and needle lift profiles. Installing a piezo-spec nozzle in a solenoid body will result in incorrect spray timing and potential engine damage.

Q4: What is the significance of the "P155" designation in the part number? The "P155" identifies the specific spray angle, orifice count, and flow rate calibration within the Siemens VDO nozzle nomenclature. It ensures the fuel spray pattern matches the K9K combustion chamber geometry - a 152° included cone angle optimized for the 1.5L displacement and 18.8:1 compression ratio.

Q5: My workshop doesn't have a common rail test bench. Can we still verify nozzle quality post-installation? Yes. Perform a static leak-down test: pressurize the rail to 200 bar with the engine off and monitor pressure decay over 60 seconds. A healthy system should hold above 150 bar. Rapid decay indicates nozzle seat leakage. Follow with a dynamic idle test - listen for consistent injector tick rhythm; erratic clicking suggests spray pattern irregularity.

Q6: Does the M0008 P155 support the latest Euro 6 K9K variants? The M0008 P155 is optimized for Euro 4/5 K9K applications using the PCR3 system (180 MPa). Euro 6 variants may use higher-pressure PCR4 architecture (200+ MPa) with revised nozzle specifications. Always cross-reference your specific injector part number before ordering.

 

 

Basic Information about the Company

 

202510091606539026

 

 

2

3

4

 

Flexible Payment Methods for Your Convenience

 

To make your purchasing experience smooth and easy, we offer a variety of secure payment options:

product-750-750

Bank Transfer

Pay directly in 15 supported currencies.

west union

Western Union

Quick and global money transfers.

PayPalLogo2014-1024x1014

PayPal

Safe and convenient online payment.

ae99cd49-2667-464e-b9db-b39cee0126e1

Alibaba

Enjoy extra protection with trusted Alibaba transactions.

We're here to make your order process worry-free - choose the payment method that works best for you!

 

Shipping Made Simple

6

Customer reviews

 

8

Hot Tags: liwei m0008 p155 common rail nozzle | siemens vdo piezo injector replacement for k9k dci 1.5d, China liwei m0008 p155 common rail nozzle | siemens vdo piezo injector replacement for k9k dci 1.5d manufacturers, suppliers, factory, DLLA141P2167 for 0445120203, DLLA160P2190 for dCi 1 6d 0445110414 in Renault, DLSA143P1058 0433175309, DSLA143P5519 for 0445120255, G3S96 for 295050 1810 418 3229, M1700 P156 for LR006495 LR008836

You Might Also Like

(0/10)

clearall