🛑 B & B COMPONENTS • FEBI BILSTEIN 03687 • M8 COPPER EXHAUST MANIFOLD NUT • A5527
✅ THIS LISTING IS FOR 1 NUT  |  ✅ FEBI BILSTEIN  |  ✅ M8 x 1.25  |  ✅ COPPER  |  ✅ 12mm SPANNER  |  ✅ GRADE 8  |  ✅ 3 YEAR WARRANTY  |  ✅ OE MATCHING QUALITY
⚠️ IMPORTANT — THIS LISTING SUPPLIES ONE NUT ONLY
FEBI catalogue packing information may show a bulk packing unit of 100.
YOU WILL RECEIVE 1x FEBI 03687 COPPER NUT.
🚗 FREE REG / VIN FITMENT HELP
Not sure this is the correct exhaust manifold / exhaust flange nut? Send us your REG / VIN, OE number or existing nut specification before ordering. Reference: A5527
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🔩 FEBI 03687 M8 COPPER EXHAUST MANIFOLD NUT M8x1.25 • SINGLE NUT

✅ BUY WITH CONFIDENCE FROM B & B COMPONENTS
UK STOCK • FAST DISPATCH • REG / VIN FITMENT HELP • FEBI BILSTEIN • 3 YEAR WARRANTY • OE MATCHING QUALITY
⚡ AT A GLANCE
Brand FEBI BILSTEIN
Article Number 03687
Product Nut / Exhaust Manifold Nut
Thread Size M8 x 1.25
Material Copper
Thickness 8.0mm
Spanner Size 12mm
Quality / Grade 8
Nut Design External Hexagon
Quantity Supplied 1 NUT ONLY
Recommended Quantity 8
Warranty 3 YEARS
B & B SKU A5527
📦 WHAT YOU RECEIVE
1x FEBI BILSTEIN 03687 Copper Exhaust Manifold Nut
M8 x 1.25 thread • 12mm hex • 8mm thick
⚠️ THIS LISTING IS FOR ONE NUT ONLY ⚠️
YOU WILL RECEIVE 1x FEBI 03687 NUT.

FEBI catalogue data can show a manufacturer's bulk packing unit of 100.
That does NOT mean this eBay listing supplies 100 nuts.

EBAY LISTING QUANTITY = ONE NUT
🔎 MATCH BEFORE YOU BUY
Before ordering, compare:

✅ THREAD: M8 x 1.25
✅ SPANNER / HEX: 12mm
✅ THICKNESS: 8mm
✅ MATERIAL: Copper
✅ OE / ORIGINAL PART NUMBER
✅ APPLICATION LOCATION
✅ REG / VIN

This nut is used across many different vehicle applications. Vehicle model name alone does not guarantee that this is the correct fastener.
✅ QUICK CHECK — WHAT THIS LISTING IS FOR
  • Quantity supplied: ONE nut
  • Brand: FEBI BILSTEIN
  • Article number: 03687
  • Product: Universal nut / exhaust manifold nut
  • Thread: M8 x 1.25
  • Thickness: 8.0mm
  • Spanner size: 12mm
  • Quality / Grade: 8
  • Design: External Hexagon
  • Material: Copper
  • Weight: 0.01kg
  • Recommended quantity: 8
  • Manufacturer bulk packing unit: 100
  • eBay quantity supplied: 1
  • GTIN / EAN: 4027816036876
  • Inter Cars code: 246831
  • Warranty: 3 YEAR WARRANTY
  • Quality: OE MATCHING QUALITY
  • B & B SKU: A5527

✅ FEBI BILSTEIN │ ✅ ONE NUT │ ✅ M8 x 1.25 │ ✅ COPPER │ ✅ 3 YEAR WARRANTY │ ✅ OE MATCHING QUALITY

🧰 ITEM DESCRIPTION

Brand new FEBI BILSTEIN 03687 copper nut, commonly catalogued as a universal nut and exhaust manifold / exhaust system fastening nut.

The nut has an M8 x 1.25 internal thread, 8.0mm thickness, 12mm spanner size and an external hexagon design.

Material is listed as copper and quality / grade as 8.

The part is cross-referenced against a wide range of Audi, BMW, Mercedes-Benz, SEAT, Skoda, Smart and Volkswagen OE numbers and is used on numerous exhaust manifold, exhaust flange and related fastening applications.

This listing supplies ONE nut. Although FEBI's manufacturer bulk packing information may state 100 pieces, you are purchasing one individual FEBI 03687 nut.

Catalogue data states a recommended quantity of 8, but the number actually required varies by application. Please order the quantity you require.

🔩 IDENTIFICATION CHECK

  • M8 metric thread
  • 1.25mm thread pitch
  • 8mm nut thickness
  • 12mm external hexagon
  • Copper material
  • FEBI part number 03687
  • Match the OE number where available

🔎 Customers may identify or search for this part as:

  • FEBI 03687 exhaust manifold nut
  • FEBI 3687 copper nut
  • M8 copper exhaust nut
  • M8 x 1.25 manifold nut
  • 12mm hex exhaust nut
  • copper manifold stud nut
  • exhaust flange nut
  • VW exhaust manifold nut
  • Audi exhaust manifold nut
  • BMW exhaust manifold nut
  • Mercedes exhaust manifold nut
  • Skoda exhaust manifold nut
  • SEAT exhaust manifold nut
  • Smart exhaust nut
  • N90085001 nut

Why choose FEBI BILSTEIN 03687?

  • FEBI BILSTEIN branded component
  • 3 YEAR WARRANTY
  • OE MATCHING QUALITY
  • Copper construction
  • M8 x 1.25 thread
  • Clear 12mm spanner specification
  • Extensive manufacturer OE-number coverage
  • Suitable for numerous exhaust fastening applications where specification matches
  • Available individually — buy only the quantity required
  • REG / VIN fitment support available

🔧 Mechanic's Check: Confirm the existing stud / bolt uses an M8 x 1.25 thread and compare the original nut or OE reference. Check the condition of the associated exhaust studs before assembly.

🛠️ General fitting information:

  • Thread: M8 x 1.25
  • Spanner size: 12mm
  • Material: Copper
  • Application: Exhaust manifold / exhaust fastening where specified
  • Inspect mating threads before assembly
  • Replace damaged or corroded exhaust studs where required
  • Use the correct manufacturer tightening procedure / torque specification
  • Do not overtighten exhaust fasteners

🧾 TECHNICAL DETAILS

Brand FEBI BILSTEIN
Article Number 03687
Product Group Nut (Universal) / Nut, exhaust manifold
Internal Thread Size M8 x 1.25
Thickness 8.0mm
Quality / Grade 8
Spanner Size 12mm
Nut Design External Hexagon
Material Copper
Weight 0.01kg
FEBI Manufacturer Packing Unit 100
Quantity Supplied In This Listing 1 NUT
Recommended Quantity 8
GTIN / EAN 4027816036876
Inter Cars Code 246831
Warranty 3 YEAR WARRANTY
Quality OE MATCHING QUALITY
B & B SKU A5527

📇 OE / ORIGINAL PART NUMBERS

📂 Click to view Audi, BMW, Mercedes, SEAT, Skoda, Smart & VW OE references

AUDI:

175 129 650 • 176 253 702 A • 1HM 253 208 AE • 443 253 101 AR • 443 253 101 DM • 443 253 101 DS • 893 253 209 AB • 8A0 253 101 AD • 8A0 253 101 G • N 900 850 01

BMW:

11 62 0 643 110 • 11 62 1 274 443 • 11 62 1 711 954 • 18307620549

MERCEDES-BENZ:

120 142 00 72 • A120 142 00 72

SEAT:

N90085001

SKODA:

3U0 253 095 E • N 900 850 01

SMART:

120 142 00 72 • A120 142 00 72

VOLKSWAGEN / VW:

175 129 650 • 176 253 702 A • 1HM 253 208 AE • 443 253 101 AR • 443 253 101 DM • 443 253 101 DS • 893 253 209 AB • 8A0 253 101 AD • 8A0 253 101 G • N 010 361 12 • N 900 577 01 • N90085001

OE numbers are supplied for identification and cross-reference purposes. Always check the correct thread specification and application before ordering.

🔄 REPLACEMENT / AFTERMARKET CROSS REFERENCES

📂 Click to view replacement numbers
B0068N38NO AMAZON ASIN • 03687 ARTNR_Z_TCD • 59325 AUGER • 551015 AUTEX • 258-028 BOSAL • 258-038 BOSAL • BSP25486 BUGIAD • DRM03623S DR.MOTOR AUTOMOTIVE • DRM03623SL DR.MOTOR AUTOMOTIVE • 2.12120 DT • 247.130 ELRING • 3687 FEBI • 108 578 HANS PRIES • 209 381 HANS PRIES • 410 696 HANS PRIES • 258-028 KLOKKERHOLM • 258-038 KLOKKERHOLM • 104.138 SAMPA • 20 90 3687 SWAG • V10-5599 VAICO • V20-0835 VAICO • V20-0839 VAICO • V40-2452 VAICO • 80630 WALKER • 80658 WALKER

✅ VEHICLE APPLICATION SUMMARY

IMPORTANT: This is a widely used M8 exhaust fastening nut and the supplied catalogue contains a very large number of applications. Fitment should be confirmed by thread size, OE reference and exact vehicle.
🚘 AUDI APPLICATIONS
Supplied catalogue data includes a wide range of selected Audi applications, including classic and later models where the specified exhaust fastening and OE reference match.

OE references include:
175129650 • 176253702A • 1HM253208AE • 443253101AR • 443253101DM • 443253101DS • 893253209AB • 8A0253101AD • 8A0253101G • N90085001
🚗 BMW APPLICATIONS
Supplied catalogue data includes numerous selected BMW applications, including examples across:

• BMW 1 Series
• BMW 3 Series
• BMW 5 Series
• BMW 6 Series
• BMW 7 Series
• BMW 8 Series
• BMW X1
• BMW Z1
• BMW Z3
• BMW Z4

On some BMW applications the catalogue specifically identifies use for the exhaust pipe flange.

BMW OE references supplied include:
11 62 0 643 110 • 11 62 1 274 443 • 11 62 1 711 954 • 18307620549
🚘 MERCEDES-BENZ APPLICATIONS
Supplied fitment information includes numerous selected Mercedes-Benz passenger-car, commercial and off-road applications.

Model families represented in the supplied catalogue include examples from:

• Mercedes-Benz E-Class
• Mercedes-Benz G-Class
• Mercedes-Benz GL-Class
• Mercedes-Benz Vito
• Other Mercedes-Benz models matching the listed OE reference

OE references:
120 142 00 72 • A120 142 00 72
🚗 SEAT APPLICATIONS
Selected supplied applications include examples from:

• SEAT Toledo
• SEAT Toledo Mk2 / Mk3
• SEAT Leon
• SEAT Ibiza Mk2 / Mk3 / Mk4
• SEAT Inca
• Other applications using matching exhaust fastening specification

Common OE reference:
N90085001
🚗 SKODA APPLICATIONS
Supplied catalogue applications include selected:

SKODA SUPERB I
• 1.8 T
• 1.9 TDI
• 2.0
• 2.0 TDI
• 2.5 TDI

SKODA ROOMSTER / ROOMSTER PRAKTIK
• Selected 1.4 TDI
• Selected 1.9 TDI

SKODA OCTAVIA I / II
• Selected 1.4 / 1.4 16V
• Selected 1.6
• Selected 1.8
• Selected 1.9 SDI / TDI
• Selected 2.0 / 2.0 FSI
• Selected 4x4 applications

SKODA FABIA I / II
• Selected 1.4 16V
• Selected 1.4 TDI
• Selected 1.9 TDI
• Selected 1.9 TDI RS

SKODA FELICIA
• Selected 1.3
• Selected 1.6
• Selected 1.9 D applications

OE references include:
3U0253095E • N90085001
🚙 SMART APPLICATIONS
Supplied applications include selected:

• Smart Fortwo 451 0.8 CDI Coupe
• Smart Fortwo 451 0.8 CDI Cabrio
• Smart Forfour 454 1.5 CDI

OE references:
120 142 00 72 • A120 142 00 72
🚗 VOLKSWAGEN / VW APPLICATIONS
Supplied catalogue information includes an extensive Volkswagen range, including selected examples from:

• VW Vento
• VW Transporter T1
• VW Transporter T2
• VW Transporter / Caravelle T3
• VW Transporter T4
• VW Touran
• VW Sharan
• Other Volkswagen applications using matching M8 exhaust fasteners

Petrol, diesel, TD, TDI, VR6 and Syncro applications are represented across the supplied catalogue where the fastening specification matches.

OE references include:
175129650 • 176253702A • 1HM253208AE • 443253101AR • 443253101DM • 443253101DS • 893253209AB • 8A0253101AD • 8A0253101G • N01036112 • N90057701 • N90085001
⚠️ IMPORTANT FITMENT NOTE:

Because FEBI 03687 is a widely used fastening nut, compatibility should be established from the M8 x 1.25 thread, dimensions, OE number and exact application.

Do not assume fitment solely because your vehicle appears in a broad model family above.

🚗 NOT SURE IT FITS?

Send your REG / VIN, OE number or existing nut / stud specification.

We’ll help confirm compatibility before you order.
Reference: A5527

📩 Message bandbcomponent 📩 Message tierod69

❓ FREQUENTLY ASKED QUESTIONS

Q: How many nuts will I receive?
A: ONE nut. This listing is for one individual FEBI 03687 nut.

Q: Why does FEBI catalogue data say packing unit 100?
A: That refers to FEBI's bulk manufacturer packaging. This eBay listing is specifically for 1 nut only.

Q: What thread does it have?
A: M8 x 1.25.

Q: What spanner size is it?
A: 12mm.

Q: What material is it?
A: The supplied specification lists copper.

Q: What is the thickness?
A: 8.0mm.

Q: FEBI recommends 8. Do I receive 8?
A: No. Recommended quantity is catalogue guidance. This listing supplies one nut.

Q: Can I buy more than one?
A: Yes. Select / purchase the quantity you require. Each listing quantity represents one individual nut.

Q: Can you check fitment?
A: Yes — send us your REG / VIN or OE number and we’ll help check.

🔧 SERVICING THE EXHAUST? DON'T FORGET

  • Exhaust manifold studs
  • Exhaust manifold gaskets
  • Exhaust flange gaskets
  • Exhaust clamps
  • Exhaust mounting rubbers
  • Exhaust bolts and fittings
  • Lambda / oxygen sensors
  • EGR gaskets and components
  • Turbocharger fitting hardware
  • Other FEBI engine and exhaust parts

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🔩 FEBI BILSTEIN 03687 M8 COPPER EXHAUST MANIFOLD NUT

M8 x 1.25 • Copper • 12mm Hex • 8mm Thick

THIS LISTING IS FOR ONE NUT

Warranty: 3 YEARS • Quality: OE MATCHING QUALITY • SKU: A5527

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🏁 WHY BUY FROM B & B COMPONENTS?

  • UK seller with fast dispatch
  • REG / VIN fitment confirmation available
  • FEBI BILSTEIN branded part
  • 3 YEAR WARRANTY
  • OE MATCHING QUALITY
  • Clear M8 x 1.25 specification
  • Clear individual quantity information
  • Extensive OE and replacement cross references
  • Large engine, exhaust and service-parts range
  • Two established eBay stores

🚚 DELIVERY & RETURNS

  • Dispatch: Fast UK dispatch from B & B Components
  • Delivery: Royal Mail / courier depending on order size and location
  • Returns: 30-day returns on unused, unfitted and resaleable items
  • Fitment support: Send REG / VIN before ordering if unsure
  • Important: Confirm thread size and application before fitting
B & B Components
Unit 11 Granville Road • Maidstone • Kent • ME14 2BJ
Opening hours: Mon–Fri 07:00–15:00 • Sat 09:00–13:00

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