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

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

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

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€5.70

Prices incl. VAT, plus shipping costs

Part no. 1112330

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

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€85.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1124460

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

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

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

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Crankshaft seal

BMW 2v Boxer models
Front

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1114011

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

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

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

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

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

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

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

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

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Clamping ring
38mm

BMW 2-valve Boxer models

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€8.95

Prices incl. VAT, plus shipping costs

Part no. 1821585

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€85.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

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

Manifold Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811223

Valve cover Classic

BMW 2-valve Boxer models

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1112240

Side stand

BMW 2V Boxer G/S, GS models
Stainless steel

€298.00

Prices incl. VAT, plus shipping costs

Part no. 4653417

NEW

Pushrod Titanium

Set
BMW 2v Boxer from 9/76 om

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1132911

NEW

Valve cover Siebenrock
Four ribs

BMW 2v Boxer models
Classic look

€59.00

Prices incl. VAT, plus shipping costs

Part no. 1112340

Chain tensioner Set
Simplex

BMW 2V Boxer models

€86.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

Complete exhaust system
Chrome

BMW R 80G/S PD

€1,459.00

Prices incl. VAT, plus shipping costs

Part no. 1812920

Muffler
Chrome

BMW R 80ST and R 65GS

€329.00

Prices incl. VAT, plus shipping costs

Part no. 1812966

Manifold
Chrome

BMW R 80ST
Right side

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1811844

Sport tappet, Cam follower

BMW 2-valve Boxer models
Wank

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1133638

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

Clamping ring
Exhaust 40mm

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

€12.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

Fuel tap
Left side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612113

Valve Exhaust
40mm

BMW R 80, R 90, R 100 models
45°

€58.00

Prices incl. VAT, plus shipping costs

Part no. 1134837

Stop light switch

BMW 2v Boxer models up to 9/84

€27.90

Prices incl. VAT, plus shipping costs

Part no. 6131684

Pushrod tube
18mm

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

€22.90

Prices incl. VAT, plus shipping costs

Part no. 1111904

Valve spring

BMW 2-valve Boxer models

€5.25

Prices incl. VAT, plus shipping costs

Part no. 1134176

NEW

Pushrod Titanium

BMW 2v Boxer from 9/76 on

€59.90

Prices incl. VAT, plus shipping costs

Part no. 1132910

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For travel

€39.80

Prices incl. VAT, plus shipping costs

Part no. 1821698

Indicator unit
LED technology

BMW /7 models from 9/77 up to 9/80

€179.00

Prices incl. VAT, plus shipping costs

Part no. 6211440

Repair sleeve Float needle valve
BING Vergaser 64/32, 94/40

from 9/80
BMW 2-valve Boxer models

€3.99

Prices incl. VAT, plus shipping costs

Part no. 1311772

Power Kit 860cc
Plug & Play

BMW R 65 up to 9/80

€1,059.00

Prices incl. VAT, plus shipping costs

Part no. 1100871

Instrument housing glass
Repair kit lenses

BMW 2v Boxer models

€22.90

Prices incl. VAT, plus shipping costs

Part no. 6211439

Power Kit 860cc
Plug & Play

BMW R 65 9/80 on, R 65LS, R 65 Monolever 48hp

€999.00

Prices incl. VAT, plus shipping costs

Part no. 1100870

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

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

Silencer
Chrom

BMW R 80ST, R 80G/S PD

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1812965

Manifold
Chrome

BMW R 80ST
Left side

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1811843

Muffler
Black chrome

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

€349.00

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

Valve guide

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1112708

Silencer Set
40mm Chrome

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

€379.00

Prices incl. VAT, plus shipping costs

Part no. 1811215

Valve keeper

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

€1.85

Prices incl. VAT, plus shipping costs

Part no. 1134325

Engine Parts

Drive train

Electric

Chassis

Exhaust

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Krauser 4V MKM

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Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins