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

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Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€8.95

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

€3.50

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

Fuel tap
Left side

BMW 2-valve Boxer models

€49.50

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

€47.50

Prices incl. VAT, plus shipping costs

Part no. 1100101

Oil pan gasket

BMW 2-valve Boxer models

€7.85

Prices incl. VAT, plus shipping costs

Part no. 1113427

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€5.70

Prices incl. VAT, plus shipping costs

Part no. 1112330

Fuel tap
Right side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612114

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.25

Prices incl. VAT, plus shipping costs

Part no. 1132995

Oilfilter Set

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1142145

Steering head bearing

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

€21.90

Prices incl. VAT, plus shipping costs

Part no. 0711070

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€85.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Diode board

BMW 2v Boxer models

€79.90

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

€47.90

Prices incl. VAT, plus shipping costs

Part no. 1821699

Airfilter

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

€21.90

Prices incl. VAT, plus shipping costs

Part no. 1372080

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€35.40

Prices incl. VAT, plus shipping costs

Part no. 1125398

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1124460

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Strainer Fuel tap
Karcoma

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 1612112

Chain tensioner Set
Simplex

BMW 2V Boxer models

€86.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

Cylinder head gasket

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

€12.90

Prices incl. VAT, plus shipping costs

Part no. 1112715

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

€22.90

Prices incl. VAT, plus shipping costs

Part no. 1111904

Rubber mounts
Diode plate

BMW 2-valve Boxer models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1231131

Airfilter

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

€12.50

Prices incl. VAT, plus shipping costs

Part no. 1372382

Sealing rings for inspection

BMW 2V Boxer models

€4.50

Prices incl. VAT, plus shipping costs

Part no. 0711333

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

Float chamber gasket
BING carburator

64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models

€5.35

Prices incl. VAT, plus shipping costs

Part no. 1311764

Shifter shaft seal

BMW 2-valve Boxer models

€4.90

Prices incl. VAT, plus shipping costs

Part no. 2312740

Carb gasket Set

BING carburator

64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
Without diaphragm

€15.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

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

€9.95

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

Pressure ring

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

€8.95

Prices incl. VAT, plus shipping costs

Part no. 1821448

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€8.95

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

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€85.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Manifold Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811223

Cylinder gasket Set
From 9/1980 on

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

€47.50

Prices incl. VAT, plus shipping costs

Part no. 1100101

Power Kit Extra 1000cc
Stainless steel push rod tubes

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

€1,078.00

Prices incl. VAT, plus shipping costs

Part no. 1100082

Valve cover gasket

BMW 2v Boxer

€3.50

Prices incl. VAT, plus shipping costs

Part no. 1112426

Float
BING carburator 64/26, 64/28, 64/32, 94/40

BMW 2-valve Boxer models

€20.50

Prices incl. VAT, plus shipping costs

Part no. 1311766

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For travel

€39.80

Prices incl. VAT, plus shipping costs

Part no. 1821698

Sport header Set
38mm Chrome

BMW /5, /6,/7 models up to 9/80

€229.00

Prices incl. VAT, plus shipping costs

Part no. 1811660

Sport header
38mm Chrome

BMW /5, /6 and /7 models up to 9/80
Left side

€118.95

Prices incl. VAT, plus shipping costs

Part no. 1811662

Oil pan distance ring

BMW 2-valve Boxer models

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1113100

Sport tappet, Cam follower

BMW 2-valve Boxer models
Wank

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1133638

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

Camshaft gasket Set

BMW 2v Boxer models from 9/78 on

€15.90

Prices incl. VAT, plus shipping costs

Part no. 1114444

Silencer Set
38mm Chrome

BMW /6 und /7 models

€379.00

Prices incl. VAT, plus shipping costs

Part no. 1811214

Replacement Kit Extra 1000cc
Plug & Play

BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
From 09/180 on

€1,078.00

Prices incl. VAT, plus shipping costs

Part no. 1100103

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€47.90

Prices incl. VAT, plus shipping costs

Part no. 1821699

Valve intake
42mm

BMW 2v Boxer models from R 75/5 on
Not for R 45 and R 65

€25.90

Prices incl. VAT, plus shipping costs

Part no. 1134234

Clamping ring
Exhaust 40mm

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

€12.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

Headlight

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

€349.00

Prices incl. VAT, plus shipping costs

Part no. 6312022L

Sport header
38mm Black chrome

BMW /5, /6, /7 models up to 9/80
Right side

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1811667

Oilfilter Set

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1142145

Muffler
Chrome

BMW R 80ST and R 65GS

€329.00

Prices incl. VAT, plus shipping costs

Part no. 1812966

Asymmetrical camshaft

BMW 2v Boxer models from 9/78 on

€329.00

Prices incl. VAT, plus shipping costs

Part no. 1131800

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€35.40

Prices incl. VAT, plus shipping costs

Part no. 1125398

Cross pipe
Chrome

BMW /5, /6, /7 models

€42.95

Prices incl. VAT, plus shipping costs

Part no. 1811638

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€5.70

Prices incl. VAT, plus shipping costs

Part no. 1112330

BMW R 80ST

€4,900.00

NEW

Manifold
Chrome

BMW R 80, R 100 Monolever models
Right side With oil cooler

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1814189

NEW

Manifold
40mm Chrome

BMW R 100RS, R 100RT, R 100S
Left side

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1811441

NEW

Brakemaster cylinder
Repair kit

BMW R 100 models
Rear

€39.50

Prices incl. VAT, plus shipping costs

Part no. 3421233

Gear shifter unit
Repair kit

BMW 2-valve Boxer models from 9/75 on

€25.95

Prices incl. VAT, plus shipping costs

Part no. 2331910

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

Extension cable
For Speedometer GS2

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

€9.50

Prices incl. VAT, plus shipping costs

Part no. 6299732

Temperature sensor
For Speedometer GS2

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

€39.90

Prices incl. VAT, plus shipping costs

Part no. 6299733

Power Kit 860cc
Plug & Play

BMW R 45 from 9/80, R 65GS, R 65 Monolever 27hp

€999.00

Prices incl. VAT, plus shipping costs

Part no. 1100860

Oilfilter Set

BMW 2v Boxer models with oilcooler
OX36D two-piece Mahle

€14.90

Prices incl. VAT, plus shipping costs

Part no. 1142146

Engine Parts

Drive train

Electric

Chassis

Exhaust

Luggage

Krauser 4V MKM

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Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins