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Details
| Specification | Value |
|---|---|
| Brand | STC |
| MPN | t477775 |
| Thickness [mm] | 4.4 mm |
| Inner Diameter [mm] | 60.4 mm |
OE numbers (6)
Search by this OE number to find compatible parts
- MERCEDES-BENZ / SMART—021 997 66 45
- BMW / MINI—1161 7 801 971
- BMW / MINI—1161 7 801 974
- BMW / MINI—1161 8 506 785
- BMW / MINI—1161 8 506 786
- MERCEDES-BENZ / SMART—A021 997 66 45
Where this part fits
Original-fit position for OE 11618506785.
About this product
When seal ring charge air hose performance matters, the STC T477775 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Thickness [mm]: Copper, Copper mm, Shape: Steel, Inner Diameter [mm]: 60, Copper mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with BMW, MINI vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 021 997 66 45, 1161 7 801 971, 1161 7 801 974, 1161 8 506 785 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. STC 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
Equivalent products (6)
Seal Ring Charge Air Hose STC T477775 — compatible car models
| Car models | BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 1 (F20), 1 (F21), 2 Active Tourer (F45), 2 Coupe (F22, F87), 3 Convertible (E93), 3 Coupe (E92) (+18 more); MINI: MINI CLUBMAN (F54), MINI Convertible (F57) |
|---|---|
| Engines | 118 d; 116 d; 114 d; 218 d; 320 d; 316 d; 318 d; 420 d; 420 d xDrive; 418 d; 520 d; sDrive 16 d; 2.0 sd; sDrive 18 d; xDrive 30 d (+2 more) |
| Year of manufacture | 2001-2021 |
| Manufacturer article number (MPN) | T477775 |
| OE part numbers | 021 997 66 45, 1161 7 801 971, 1161 7 801 974, 1161 8 506 785, 1161 8 506 786, A021 997 66 45 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
STC t477775 . Inner Diameter [mm]: 60,4 mm. Shape: 1. Thickness [mm]: 4,4 mm
- 1x Seal Ring Charge Air Hose
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 Seal Ring Charge Air Hose compatible with my car?
This Seal Ring Charge Air Hose fits BMW, MINI vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this STC Seal Ring Charge Air Hose have?
This STC Seal Ring Charge Air Hose has the following specifications: Thickness [mm]: 4,4 mm; Shape: 1; Inner Diameter [mm]: 60,4 mm. Check the full specifications table above for complete details.
What OE part numbers does this Seal Ring Charge Air Hose replace?
This Seal Ring Charge Air Hose replaces OE part numbers: 021 997 66 45, 1161 7 801 971, 1161 7 801 974, 1161 8 506 785, 1161 8 506 786, A021 997 66 45. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Ring Charge Air Hose cost?
Seal Ring Charge Air Hose prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this STC Seal Ring Charge Air Hose. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Seal Ring Charge Air Hose?
Regular inspection of your Seal Ring Charge Air Hose 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 Seal Ring Charge Air Hose?
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 Seal Ring Charge Air Hose fitted by a professional mechanic.
Can I use this part as a replacement for OE 021 997 66 45?
Yes, this STC Seal Ring Charge Air Hose is a direct replacement for OE part number 021 997 66 45. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
