Exhaust star nut

€29.80

Ready to ship today, Delivery time appr. 2-4 workdays within Germany

part no.: 1821721

This is a high quality replacement star nut for the exhaust headers. Price per piece. TIP... more

Exhaust star nut

This is a high quality replacement star nut for the exhaust headers.
Price per piece.

TIP
Please order the suitable clamping and pressure rings at the same time.

Clamping ring 38mm art.no. 1821586
Thrust ring 38mm art.no. 1821585

Clamping ring 40mm art.no. 1821449
Pressure ring 40mm art.no. 1821448.

Spare part for the classic BMW airhaed models
R 60/7 , R 75/7, R 80/7, R 80RT, R 80, R 100/7, R 100S, R 100RS, R 100RT, R 100CS,
R 80G/S, R 80ST,
Paralever models R 80GS, R 100GS, R 80GS PD, R 100GS PD, R 80R, R 100R, R 100R Mystic, R 80GS Basic
Monolever models R 80, R 80RT, R 100RS, R 100RT

Compare 18211234721 / 18-21-1-234-721

Fits for BMW R2V:

R 60/7, R 75/7, R 80 up to 84, R 100 up to 84, R 80 Mono from 85 on, R 100 RS/RT Mono from 87 on, R 80 G/S,ST 80-87, R 80GS 87-96, R 100GS 87-96, R 80R 91-95, R 100R 91-95

Read, write and discuss reviews... more

Close menu

Customer evaluation for "Exhaust star nut"

Write an evaluation

Evaluations will be activated after verification.

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1821585

Clamping ring
38mm

BMW 2-valve Boxer models

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Valve cover gasket

BMW 2v Boxer

€3.25

Prices incl. VAT, plus shipping costs

Part no. 1112426

Valve cover Classic

BMW 2-valve Boxer models

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1112240

Idle switch
For 5-speed gearbox

BMW 2v Boxer models from 9/75 on

€19.95

Prices incl. VAT, plus shipping costs

Part no. 6131097

Oil pan gasket

BMW 2-valve Boxer models

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

Fuel tap
Left side

BMW 2-valve Boxer models

€45.95

Prices incl. VAT, plus shipping costs

Part no. 1612113

Cylinder gasket Set
From 9/1980 on

For Power Kit 1000cc, Replacement Kit
1000cc, BMW R 100 models from 9/80 on

€44.60

Prices incl. VAT, plus shipping costs

Part no. 1100101

Fuel tap
Right side

BMW 2-valve Boxer models

€45.95

Prices incl. VAT, plus shipping costs

Part no. 1612114

Oilfilter Set

BMW 2v Boxer models without oilcooler
OX37D two-piece Mahle

€13.50

Prices incl. VAT, plus shipping costs

Part no. 1142145

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.25

Prices incl. VAT, plus shipping costs

Part no. 1132995

Steering head bearing

BMW 2V Boxer, K 2V, K 4V, F models

€21.90

Prices incl. VAT, plus shipping costs

Part no. 0711070

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€5.45

Prices incl. VAT, plus shipping costs

Part no. 1112330

Diode board

BMW 2v Boxer models

€89.00

Prices incl. VAT, plus shipping costs

Part no. 1231062

Valve guide

BMW 2V Boxer models
Not for R 45 and R 65

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1112708

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€43.90

Prices incl. VAT, plus shipping costs

Part no. 1821699

Airfilter

BMW 2-valve Boxer models from 9/80 on
LX56 Mahle

€20.90

Prices incl. VAT, plus shipping costs

Part no. 1372080

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1124460

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€86.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Cylinder head gasket

BMW 2-valve Boxer 1000cc and
Power Kit 860cc, Power Kit 1000cc

€11.90

Prices incl. VAT, plus shipping costs

Part no. 1112715

Strainer Fuel tap
Karcoma

BMW 2-valve Boxer models

€7.95

Prices incl. VAT, plus shipping costs

Part no. 1612112

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1125398

Crankshaft seal

BMW 2v Boxer models
Front

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1114011

Pushrod tube
18mm

BMW 2v Boxer models from 9/75 on
Stainless steel

€21.50

Prices incl. VAT, plus shipping costs

Part no. 1111904

Chain tensioner Set
Simplex

BMW 2V Boxer models

€79.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Airfilter

BMW 2-valve Boxer models up to 9/80
LX194 Mahle

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1372382

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

Sealing rings for inspection

BMW 2V Boxer models

€4.50

Prices incl. VAT, plus shipping costs

Part no. 0711333

Rubber mounts
Diode plate

BMW 2-valve Boxer models

€3.65

Prices incl. VAT, plus shipping costs

Part no. 1231131

Float chamber gasket

BMW 2-valve Boxer models
32mm, 40mm Bing carburetor

€5.35

Prices incl. VAT, plus shipping costs

Part no. 1311764

Shifter shaft seal

BMW 2-valve Boxer models

€3.50

Prices incl. VAT, plus shipping costs

Part no. 2312740

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Shaft seal
Transmission Input 5 speed

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 2312726

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Clutch boot
Clutch pressure bearing

For BMW 2V, 4V, K models

€19.50

Prices incl. VAT, plus shipping costs

Part no. 2313731

Carb gasket Set
32/40mm Bing carb

BMW 2-valve Boxer models
Without diaphragm

€15.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

Pressure ring

BMW R 100S, R 100RS, R 100RT up to 9/80
For exhaust 40mm

€7.50

Prices incl. VAT, plus shipping costs

Part no. 1821448

Clamping ring
Exhaust 40mm

BMW R 100S, R 100RS, R 100RT

€11.85

Prices incl. VAT, plus shipping costs

Part no. 1821449

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For travel

€39.80

Prices incl. VAT, plus shipping costs

Part no. 1821698

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€43.90

Prices incl. VAT, plus shipping costs

Part no. 1821699

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

Clamp
48mm

BMW R 65GS, R 80G/S, R 80ST

€14.80

Prices incl. VAT, plus shipping costs

Part no. 1821577

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Muffler
Black chrome

BMW R 65GS, R 80G/S, R 80G/S PD

€308.00

Prices incl. VAT, plus shipping costs

Part no. 1812017

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.25

Prices incl. VAT, plus shipping costs

Part no. 1132995

Idle switch
For 5-speed gearbox

BMW 2v Boxer models from 9/75 on

€19.95

Prices incl. VAT, plus shipping costs

Part no. 6131097

Silencer
Black chrome

BMW R 65GS, R 80G/S

€696.00

Prices incl. VAT, plus shipping costs

Part no. 1812018

Carb gasket Set
32/40mm Bing carb

BMW 2-valve Boxer models
Without diaphragm

€15.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1821585

NEW

Valve cover Siebenrock
Four ribs

BMW 2V Boxer models
Polished ribs, polished edges

€109.00

Prices incl. VAT, plus shipping costs

Part no. 1112375

Sealing rings for inspection

BMW 2V Boxer models

€4.50

Prices incl. VAT, plus shipping costs

Part no. 0711333

Indicator light panel GS

BMW 65GS, R 80G/S, R 80GS,
R 100GS, R 80GS Basic

€59.00

Prices incl. VAT, plus shipping costs

Part no. 6214756

Chain tensioner Set
Simplex

BMW 2V Boxer models

€79.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Indicator light cover
English lettering

BMW R 65GS, R 80G/S, R 80GS, R 100GS, R 80GS Basic

€29.70

Prices incl. VAT, plus shipping costs

Part no. 6221755

Silencer Hoske Set
Black chromed

BMW /5, /6, /7 models
38mm

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1812908S

Muffler
Chrome

BMW R 80ST and R 65GS

€297.00

Prices incl. VAT, plus shipping costs

Part no. 1812966

Silencer Set
40mm Chrome

BMW R 100S, R 100RS, R 100RT

€379.00

Prices incl. VAT, plus shipping costs

Part no. 1811215

Ball bearing

BMW 2V Boxer models
For crankshaft front

€14.75

Prices incl. VAT, plus shipping costs

Part no. 0711722

Dual ignition coil

BMW 2v Boxer models from 9/80 on

€249.00

Prices incl. VAT, plus shipping costs

Part no. 1213426

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Piston Ring Set
1000cc / 860cc

BMW 2V Boxer models

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1125399

Clamping ring
38mm

BMW 2-valve Boxer models

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Pushrod tube mandrel
18mm

BMW 2V Boxer models from 9/75 on

€7.90

Prices incl. VAT, plus shipping costs

Part no. 1111906

NEW

Intake rubber carburetor
D=42mm

BMW 2-valve Boxer models

€9.89

Prices incl. VAT, plus shipping costs

Part no. 1372654

Instrument housing Set

BMW R 60/6, R 75/6, R 90/6, R 90S
R 60/7, R 75/7, R 100 models

€179.00

Prices incl. VAT, plus shipping costs

Part no. 6211663S

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€86.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Circuit board
For control light

BMW R 65GS, R 80G/S, R 80GS, R 100GS, R 80GS Basic
LED technology

€129.00

Prices incl. VAT, plus shipping costs

Part no. 6221050L

Indicator light cover
With symbols

BMW R 65GS, R 80G/S, R 80GS, R 100GS, R 80GS Basic

€27.95

Prices incl. VAT, plus shipping costs

Part no. 6221754

Silicone sealing compound

0.03 Liter (€465.00 / 1 Liter)
BMW 2V Boxer models
Drei Bond

Content 0.03 Liter (€465.00 * / 1 Liter)

€13.95

Prices incl. VAT, plus shipping costs

Part no. 0758376

Brush Set
With connector

BMW 2-valve Boxer models

€7.50

Prices incl. VAT, plus shipping costs

Part no. 1231480S

Exhaust Thread Cutting Tool

For BMW R 45, R 65 models, R 69S
M48x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899250

Complete exhaust system
Chrome

BMW R 80G/S PD

€1,459.00

Prices incl. VAT, plus shipping costs

Part no. 1812920

Complete exhaust system
Black chrome

BMW R 80G/S

€1,440.00

Prices incl. VAT, plus shipping costs

Part no. 1812010

Manifold
Black chrome

BMW R 80G/S, R 80G/S PD
Right side

€209.00

Prices incl. VAT, plus shipping costs

Part no. 1811842

Motor cover

BMW 2v Boxer models
Cafe Racer look

€198.00

Prices incl. VAT, plus shipping costs

Part no. 1114261

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Valve guide

BMW 2V Boxer models
Not for R 45 and R 65

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1112708

Asymmetrical camshaft

BMW 2v Boxer models from 9/78 on

€329.00

Prices incl. VAT, plus shipping costs

Part no. 1131800

Engine Parts

Drive train

Electric

Chassis

Exhaust

Luggage

Krauser 4V MKM

Miscellaneous

Used parts

search queries

Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins