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CP247
£21.99
Does this fit your car?
Gallery
BrandAIC
MPN51170
OE refs1
SKU6558-51170
GTIN / EAN4046283511709

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Details

SpecificationValue
BrandAIC
Opening Temperature [°C]80 °C

OE numbers (1)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 021121117A. The red ring marks where this part installs on the vehicle.

1998 — Engine › 12175
1998 · Engine › 12175Position 1

About this product

Sourced from AIC, this coolant flange (51170) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: 74, Opening Temperature [°C]: 80 °C, Supplementary Article/Info 2: 396 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 002-60-01545, 021 121 117A, 021121117A, 02162 and 36 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC 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.

Coolant Flange buying guide

Why replace this part?

Coolant outlet flanges and pipe connectors direct coolant flow through the engine circuit. Plastic flanges crack from thermal cycling; metal flanges develop pinhole corrosion. Either causes coolant loss and overheating.

Signs you need a replacement

  • Coolant leak at a pipe junction on the engine
  • white crystalline deposit around a fitting
  • rapid coolant consumption
  • overheating
  • steam under the bonnet

When to replace

Inspect every 60,000–80,000 miles. Plastic flanges are a known weak point — replace proactively during major cooling system work.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

Suitable cars

Equivalent products (40)

Show all 40 OE numbers
3RG82728
AKRON-MALÒ116130
Alfa e-PartsAF08055
AUTOMEGA160048110
BAPMICBK0426540002
BAPMICTOPT1325059
BBR Automotive002-60-01545
BGAFA9623
BORG & BECKBTS1051
BRÜCK GERMANY021121117A
CAUTEX770185
FARE SA3864
FIRST LINEFTS1051
Hamburg Tech3175-02003
HOFFER8193206
JP GROUP1114506500
MAPCO28835
MEAT & DORIA93206
Metalcaucho30638
METZGER AUTOTEILE4010172
NANFENGNF0001
ORIGINAL IMPERIUM90351
OSSCA02162
PLYOMP770185
RIDEX3219C0003
StarkSKCFL-2940002
STCT430638
STELLOX75-50722-SX
TRICLO463813
ÜRO Parts021121117A
VAICOV10-8196
WE PARTS421850104
WILMINK GROUPWG1761151
WILMINK GROUPWG1899854
WXQP320523

Coolant Flange AIC 51170compatible car models

Car modelsVW: CORRADO (53I), GOLF III (1H1), GOLF III Variant (1H5), PASSAT B3/B4 (3A2, 35I), PASSAT B3/B4 Variant (3A5, 35I), SHARAN (7M8, 7M9, 7M6), TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ), TRANSPORTER T4 Van (70A, 70H, 7DA, 7DH), VENTO (1H2)
Engines2.9 VR6; 2.8 VR6; 2.9 VR6 Syncro; 2.8 VR 6
Year of manufacture1987-2010
Manufacturer article number (MPN)51170
OE part numbers021 121 117A
Compatibility check

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Description and what's included

AIC 51170 Original AIC Quality. Fitting Position: 74. Opening Temperature [°C]: 80 °C. Supplementary Article/Info 2: 396

What's included:
  • 1x Coolant Flange
Shipping, returns, warranty

Free UK delivery on orders over £50.00. Tracked standard shipping.

  • Standard delivery: 4–8 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 Coolant Flange compatible with my car?

This Coolant Flange fits VW 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 AIC Coolant Flange have?

This AIC Coolant Flange has the following specifications: Fitting Position: 74; Opening Temperature [°C]: 80 °C; Supplementary Article/Info 2: 396. Check the full specifications table above for complete details.

What OE part numbers does this Coolant Flange replace?

This Coolant Flange replaces OE part numbers: 021 121 117A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Coolant Flange cost?

This AIC Coolant Flange is available for £21.99. Coolant Flange prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Coolant Flange?

Regular inspection of your Coolant Flange 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 Coolant Flange?

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 Coolant Flange fitted by a professional mechanic.

Can I use this part as a replacement for OE 021 121 117A?

Yes, this AIC Coolant Flange is a direct replacement for OE part number 021 121 117A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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