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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Spare Parts & Residual MaterialsStüsslingenCPO Ersatzteile AG
CPO Ersatzteile AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

CPO Ersatzteile AG supplies parts and services for diesel injection systems, high-pressure pumps and injectors, and for starters and alternators, including testing and repair of these components. The company also maintains a large spare-parts warehouse and offers direct sales of alternators, starters and injection components.

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Products & services

Industry:Wholesale - Spare Parts & Residual Materials
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CPO Ersatzteile AG

Spare parts stock sale
Spare parts for diesel vehicles from Swiss stock, including alternators, starter motors, alternators, diesel injection pumps, injectors, fuel injectors and nozzle inserts.
Alternators
Alternators and light machines for diesel vehicles, with parts from various manufacturers and item numbers available in stock sales.
Starter motors
Starter motors for diesel vehicles, commercial vehicles, tractors, construction machinery and industrial units, stocked in various designs.
Injection pumps and nozzles
Diesel injection pumps, fuel injectors and injectors for different vehicle and machine brands, available from Swiss stock.
Nozzle inserts
Nozzle inserts for diesel engines of various makes and applications, handled as a separate spare-parts category in stock sales.
Diesel injection systems
Inspection, repair and replacement of diesel injection systems, injection pumps and injectors for vehicles and machinery.
Starter motor and alternator service
Inspection, repair and replacement of starter motors and alternators for vehicles, tractors and construction machinery.
Trust & reputation

ranQ Trust Score of CPO Ersatzteile AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

CPO Ersatzteile AG scores 92.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.94.324%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.100.010%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
CPO Ersatzteile AG scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
CPO Ersatzteile AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
CPO Ersatzteile AG scores 7.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.7.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CPO Ersatzteile AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 51 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 51 reviews across all connected sources

Sources
GGoogle551
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Hurdackerweg 5b
4655 Stüsslingen
Opening hours
Mon
07:30 - 12:00, 13:30 - 18:00
Tue
07:30 - 12:00, 13:30 - 18:00
Wed
07:30 - 12:00, 13:30 - 18:00
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:30 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.063.255
Founded
1978 · 48 years
Last commercial register change
March 15, 2010
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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