Engine accessory that replaces the secondary air injection plate and tidies the engine bay, the Gorise Engine Delete Block Off Plate fits 1.8T Mk4, B5 and B6 engines made between 1998 and 2006. A neater layout and easier access to sensors makes life simpler for home mechanics and performance tuners. Is it the reliable, easy-to-fit replacement needed for a cleaner engine bay?
⚡ At a Glance
- • Build Quality: CNC-machined from billet aluminium, supplied with an O-ring, lock washers and bolts for a sealed finish
- • Best for: Owners of 1.8T Mk4, B5 and B6 cars who want a cleaner engine bay and easier access
- • Not ideal for: Vehicles that still rely on an active secondary air injection system for emissions compliance
Made specifically for 1.8T cylinder heads from 1998 to 2006 and replaces the factory SAI plate. Quality control includes multiple inspections and tests to ensure fit and finish.
Cleaner Engine Bay – With CNC-machined billet aluminium block off plate
CNC machining produces a precise mating surface while the included O-ring and lock washers form a sealed joint to the cylinder head. Bolts are supplied to secure the plate and prevent leaks.
A tidy layout removes the rat's nest of vacuum hosing and saves space around and behind the block, making visual inspections and future work far easier.
Simplified Maintenance – Thanks to removal of secondary air injection components
Removing the SAI assembly clears plastic and hard lines, and gives direct access to the secondary oxygen sensor and surrounding hardware. The plate is designed as a direct replacement for the SAI opening on the 1.8T head.
Mechanics and DIYers gain faster access to sensors and valves, reducing time spent on routine checks and repairs.
Durable Replacement – With high-grade materials and strict quality control
Billet aluminium construction offers hardness and impact resistance, while multiple inspections during production ensure consistent dimensional accuracy and surface finish.
Expect a long service life with resistance to cracking or scratching, providing a reliable substitute for worn or damaged factory parts.
✨ The 4 Key Reasons for Gorise Engine Delete Block Off Plate
- Direct Fitment – Ensures correct alignment for 1.8T Mk4, B5 and B6 cylinder heads
- Included O-ring & Hardware – Provides a sealed installation with no need to source parts
- Clears Vacuum Hoses – Frees space and simplifies routing around the rear of the block
- Graded Quality Control – Multiple inspections reduce the risk of poor fitment or defects
📋 Technical Details at a Glance
- Category: Engine accessory
- Fitment: 1.8T engines, models manufactured 1998–2006
- Material: Billet aluminium, CNC machined
- Included parts: O-ring, lock washers, bolts
- Function: Blocks secondary air injection port on cylinder head
❓ Frequently Asked Questions
Q: Which engines does the plate fit?
A: Fits 1.8T engines manufactured between 1998 and 2006, intended as a replacement for Mk4, B5 and B6 SAI plates.
Q: Are seals and fixings included?
A: An O-ring plus lock washers and bolts are supplied to secure and seal the plate during installation.
Q: Will this allow access to sensors behind the SAI assembly?
A: Removing the SAI components and fitting the plate opens access to the secondary oxygen sensor and surrounding hardware for maintenance.
🏆 Our Verdict
Perfect for enthusiasts and independent mechanics who want a neat, durable solution after removing secondary air injection hardware. Precision CNC machining combined with supplied seals and fixings makes installation straightforward and reliable. Expect long-term value from robust materials and repeated quality checks, helping avoid frequent replacements.
