5850676 Intake Manifold Twinport Repair Kit for Opel / Vauxhall Z14XEP Z12XEP
This intake manifold repair kit is designed for Opel and Vauxhall applications using the Twinport variable intake manifold referenced as 5850676. It is intended for Z14XEP and Z12XEP engine applications where the internal Twinport mechanism has worn or failed.
This product is a Twinport intake manifold repair kit. It is not a complete replacement intake manifold assembly. The product page describes it as a complete repair kit but does not list the individual components or quantities included.
OEM / Reference Numbers
- 5850676 — compatible Twinport intake manifold reference
Part Type
- Intake manifold repair kit
- Twinport variable intake repair kit
- Repair kit for internal Twinport manifold components
- Not a complete intake manifold assembly
What This Kit Does
The Twinport system uses a variable intake manifold to optimize airflow at different engine speeds. When internal Twinport components wear or break, the variable intake function can stop operating correctly. This repair kit is intended to restore the Twinport manifold mechanism on compatible Opel and Vauxhall applications.
Compatible Vehicles
- Opel / Vauxhall Astra H — 1.4 — Z14XEP
- Opel / Vauxhall Corsa D — 1.2 — Z12XEP
- Opel / Vauxhall Meriva — 1.4 — Z14XEP
Engine / Technical Details
- Engine code: Z14XEP
- Engine code: Z12XEP
- Intake system: Twinport variable intake manifold
- Compatible manifold reference: 5850676
Common Symptoms of Twinport Intake Failure
- Rough idle
- Fault codes
- Reduced engine performance
Why Choose This Repair Kit
- Designed for Opel / Vauxhall Twinport intake manifold reference 5850676
- Suitable for confirmed Z14XEP and Z12XEP applications
- Allows repair of the Twinport manifold mechanism without presenting the product as a complete replacement intake manifold
- Targets the internal Twinport failure described on the product page
Important Before Ordering
- Verify that your intake manifold corresponds to reference 5850676.
- Confirm that your engine code is Z14XEP or Z12XEP.
- Check that the vehicle uses the Twinport variable intake manifold.
- This product is an intake manifold repair kit and not a complete intake manifold assembly.
- The product page does not specify the individual kit components, quantities, materials, dimensions or model years.
What does intake manifold reference 5850676 fit?
The product listing specifies Opel / Vauxhall Astra H 1.4 Z14XEP, Corsa D 1.2 Z12XEP and Meriva 1.4 Z14XEP applications with the Twinport variable intake manifold.
Is 5850676 the OEM number of the repair kit?
The product page lists 5850676 under Compatible Manifold, so it should be treated as the intake manifold reference used to confirm compatibility rather than as a confirmed OEM number for the repair kit itself.
Which engine codes are compatible with this Twinport repair kit?
The product page confirms Opel / Vauxhall engine codes Z14XEP and Z12XEP.
What symptoms can indicate Twinport intake manifold failure?
The product listing identifies rough idle, fault codes and reduced performance as symptoms associated with worn or broken Twinport internal components.
Is this a complete Opel Twinport intake manifold?
No. This product is a repair kit for the Twinport intake manifold system and is not a complete replacement intake manifold assembly.
How do I confirm compatibility before ordering?
Verify intake manifold reference 5850676, confirm engine code Z14XEP or Z12XEP, and check that the vehicle uses the Twinport variable intake manifold.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings