Exhaust star nut

€39.95

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

Information on product safety

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

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1821585

Clamping ring
38mm

BMW 2-valve Boxer models

€11.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Valve cover gasket

BMW 2-valve Boxer models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1112426

Valve cover Classic

BMW 2-valve Boxer models

€49.80

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

€49.50

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

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€6.90

Prices incl. VAT, plus shipping costs

Part no. 1112330

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.95

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

Fuel tap
Right side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612114

Oilfilter Set
Mahle

BMW 2v Boxer models without oilcooler
OX37D two-piece

€14.30

Prices incl. VAT, plus shipping costs

Part no. 1142145

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€13.20

Prices incl. VAT, plus shipping costs

Part no. 1124460

Valve guide

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

€14.30

Prices incl. VAT, plus shipping costs

Part no. 1112708

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€37.95

Prices incl. VAT, plus shipping costs

Part no. 1125398

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€89.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Airfilter
Mahle

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

€25.25

Prices incl. VAT, plus shipping costs

Part no. 1372080

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€99.80

Prices incl. VAT, plus shipping costs

Part no. 1899270

Diode board

BMW 2v Boxer models

€79.90

Prices incl. VAT, plus shipping costs

Part no. 1231062

Exhaust nut

BMW R 45 and R 65 models

€28.65

Prices incl. VAT, plus shipping costs

Part no. 1821595

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

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

€97.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Exhaust nut

BMW /5, /6 models
With long fins

€38.95

Prices incl. VAT, plus shipping costs

Part no. 1811270

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

Shaft seal
Transmission Input 5 speed

BMW 2-valve Boxer models

€9.95

Prices incl. VAT, plus shipping costs

Part no. 2312726

Rubber mounts
Diode plate

BMW 2-valve Boxer models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1231131

Sealing rings for inspection

BMW 2V Boxer models

€5.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

Carb gasket Set

BING carburator

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

€19.95

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

Crankshaft seal

BMW 2v Boxer models
Front

€6.80

Prices incl. VAT, plus shipping costs

Part no. 1114011

Airfilter
Mahle

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

€13.25

Prices incl. VAT, plus shipping costs

Part no. 1372382

Pushrod tube
18mm

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

€24.90

Prices incl. VAT, plus shipping costs

Part no. 1111904

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

BMW 2-valve Boxer models

€25.80

Prices incl. VAT, plus shipping costs

Part no. 1311766

Clamping ring
Exhaust 40mm

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

Gasket Set
For Karcoma fuel tap

BMW 2-valve Boxer models

€12.95

Prices incl. VAT, plus shipping costs

Part no. 1612869

Oilfilter Set
Mahle

BMW 2v Boxer models with oilcooler
OX36D two-piece

€14.95

Prices incl. VAT, plus shipping costs

Part no. 1142146

Camshaft gasket Set

BMW 2v Boxer models from 9/78 on

€19.95

Prices incl. VAT, plus shipping costs

Part no. 1114444

Exhaust nut

BMW /5, /6 models
With long fins

€38.95

Prices incl. VAT, plus shipping costs

Part no. 1811270

Chain tensioner Set
Simplex

BMW 2V Boxer models

€97.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1821585

Clamping ring
38mm

BMW 2-valve Boxer models

€11.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€89.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

Manifold
Chrome

BMW R 80ST
Right side

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1811844

Power Kit 1000cc
Plug & Play

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

€1,096.00

Prices incl. VAT, plus shipping costs

Part no. 1100080

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

Valve intake
42mm

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

€26.75

Prices incl. VAT, plus shipping costs

Part no. 1134234

NEW

Siebenrock FM Oil pan

BMW 2-valve Boxer models
Basic

€685.00

Prices incl. VAT, plus shipping costs

Part no. 1113080

NEW

Manifold
Chrome

BMW R 80, R 100 Monolever models
Left side

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1814181

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

Fuel filler cap
Lockable

BMW 2-valve Boxer models

€169.00

Prices incl. VAT, plus shipping costs

Part no. 5125125

Engine gasket Set
From 9/1976 up to 9/1978

BMW R 100/7, R 100S, R 100RS, R 100RT

€139.80

Prices incl. VAT, plus shipping costs

Part no. 1107422

Speedometer GS2 km version

BMW R 65GS, R 80 G/S, R 80GS,
R 100GS, R 80GS Basic
Plug and Play

€319.00

Prices incl. VAT, plus shipping costs

Part no. 6212646

Hall sensor

BMW 2v Boxer models from 9/80 on

€139.80

Prices incl. VAT, plus shipping costs

Part no. 1200088

Silencer
Black chrome

BMW R 65GS, R 80G/S

€739.00

Prices incl. VAT, plus shipping costs

Part no. 1812018

Oil pan distance ring

BMW 2-valve Boxer models

€139.80

Prices incl. VAT, plus shipping costs

Part no. 1113100

Silencer Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811215

Silencer Set
38mm Chrome

BMW /6 und /7 models

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811214

Rear bag GS

BMW 2V Boxer G/S, ST, GS models
Made of sturdy leather

€219.00

Prices incl. VAT, plus shipping costs

Part no. 4654200

Exhaust nut

BMW R 45 and R 65 models

€28.65

Prices incl. VAT, plus shipping costs

Part no. 1821595

Manifold Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811223

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€37.95

Prices incl. VAT, plus shipping costs

Part no. 1125398

Power Kit Extra 1000cc
Stainless steel push rod tubes

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

€1,198.00

Prices incl. VAT, plus shipping costs

Part no. 1100082

Cross pipe
Chrome

BMW /5, /6, /7 models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1811638

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

Valve Intake
44mm

BMW R 100 models

€26.75

Prices incl. VAT, plus shipping costs

Part no. 1134751

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€6.90

Prices incl. VAT, plus shipping costs

Part no. 1112330

Main bearing crankshaft

BMW 2-valve Boxer models
Standard red

€44.60

Prices incl. VAT, plus shipping costs

Part no. 1111155

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

BMW 2-valve Boxer models

€25.80

Prices incl. VAT, plus shipping costs

Part no. 1311766

Connecting rod bolt

BMW 2-valve Boxer models

€14.90

Prices incl. VAT, plus shipping costs

Part no. 1124553

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€13.20

Prices incl. VAT, plus shipping costs

Part no. 1124460

NEW

Siebenrock FM Oil pan

BMW 2-valve Boxer models
With polished FM logo.

€769.00

Prices incl. VAT, plus shipping costs

Part no. 1113081

Tension spring for choke lever
BING carburetor

64/26, 64/28, 64/32, 94/40
BMW 2V Boxer Models

€5.95

Prices incl. VAT, plus shipping costs

Part no. 1311370

NEW

Rear Frame GS Sport
Plug & Play

BMW R 80GS Basic, R 80GS, R 80GS PD, R 100GS, R 100GS PD

€398.00

Prices incl. VAT, plus shipping costs

Part no. 4651600

NEW

Manifold
Chrome

BMW R 45, R 65 from 9/80 on
Right side

€198.00

Prices incl. VAT, plus shipping costs

Part no. 1814218

NEW

Manifold
Chrome

BMW R 45, R 65 from 9/80 on
Left side

€198.00

Prices incl. VAT, plus shipping costs

Part no. 1814217

NEW

Bearing shell conrod
+0,02 Standard sized

BMW 2V Boxer models

€13.20

Prices incl. VAT, plus shipping costs

Part no. 1124461

Engine Parts

Drive train

Electric

Chassis

Exhaust

Luggage

Krauser 4V MKM

Miscellaneous

Used parts

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Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins