APR Valve Stem Caps – Silver (Set of 4)

APR part number MS100178 is a universal or dimension-selected valve stems product. Match its published dimensions, interface, finish, quantity, and intended APR system before ordering.

Key Features

• Sold as a set of 4 aluminum caps, each has an APR logo engraved on the face, which some believe may add horsepower*.

Fitment

This product is universal or selected by published dimensions. No year, make, and model fitment is claimed.

Specifications

What’s Included

One APR product identified by manufacturer part number MS100178 in the quantity and configuration shown. Supporting parts, software, fluids, tools, and vehicle-specific hardware are not included unless expressly stated.

About APR

APR develops performance hardware, software, calibration tools, and vehicle accessories for Volkswagen Group and related applications. Select every product by the exact part number and current manufacturer application data.

Related APR Products

• APR Valve Stem Caps – Gunmetal (Set of 4)
• APR Valve Stem Caps – Gloss Black (Set of 4)
• Cold air intakes
• Shop all APR products

Frequently Asked Questions

How do I confirm this APR part fits?
Match the part number, year, make, model, engine, drivetrain, chassis generation, factory options, and every application note shown.

Are engine and chassis codes vehicle models?
No. Codes such as EA888, MQB, MK8, B9, and C8 are application notes. The fitment model remains the actual vehicle model.

Will this product require software or supporting hardware?
Requirements vary by product. Review the exact APR instructions, emissions status, calibration needs, and supporting hardware before installation.

Installation Instructions

Follow the current APR instructions and vehicle service information. Confirm every part before disassembly, work on a cool and safely supported vehicle, use the specified tools and fluids, torque fasteners to specification, and verify clearance and operation before road use.