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Details
| Specification | Value |
|---|---|
| Brand | THERMOTEC |
| MPN | si-ag89 |
OE numbers (1)
Search by this OE number to find compatible parts
- CATERPILLAR—3306734
About this product
Sourced from THERMOTEC, this intake manifold air supply (SI-AG89) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Material: Copper — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 3306734. Matching these numbers confirms a like-for-like replacement with no loss of function. THERMOTEC is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.No equivalent parts found.
Intake Manifold Air Supply THERMOTEC SI-AG89 — compatible car models
| Manufacturer article number (MPN) | SI-AG89 |
|---|---|
| OE part numbers | 3306734 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
THERMOTEC si-ag89 . Material: 4
- 1x Intake Manifold Air Supply
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Intake Manifold Air Supply compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Intake Manifold Air Supply fits. All fitment data is verified through TecDoc.
What specifications does this THERMOTEC Intake Manifold Air Supply have?
This THERMOTEC Intake Manifold Air Supply has the following specifications: Material: 4. Check the full specifications table above for complete details.
What OE part numbers does this Intake Manifold Air Supply replace?
This Intake Manifold Air Supply replaces OE part numbers: 3306734. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Intake Manifold Air Supply cost?
This THERMOTEC Intake Manifold Air Supply is available for £88.99. Intake Manifold Air Supply prices vary depending on brand, specifications, and vehicle compatibility. THERMOTEC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Intake Manifold Air Supply?
Regular inspection of your Intake Manifold Air Supply is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Intake Manifold Air Supply?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Intake Manifold Air Supply fitted by a professional mechanic.
Can I use this part as a replacement for OE 3306734?
Yes, this THERMOTEC Intake Manifold Air Supply is a direct replacement for OE part number 3306734. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
