Exhaust star nut

€37.20

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

€49.75

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

Oil pan gasket

BMW 2-valve Boxer models

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

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

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

Fuel tap
Right side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612114

Steering head bearing

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

€21.90

Prices incl. VAT, plus shipping costs

Part no. 0711070

Oilfilter Set
Mahle

BMW 2v Boxer models without oilcooler
OX37D two-piece

€14.25

Prices incl. VAT, plus shipping costs

Part no. 1142145

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€89.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

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

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€12.50

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

Diode board

BMW 2v Boxer models

€79.90

Prices incl. VAT, plus shipping costs

Part no. 1231062

Airfilter
Mahle

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

€25.25

Prices incl. VAT, plus shipping costs

Part no. 1372080

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

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

€89.50

Prices incl. VAT, plus shipping costs

Part no. 1131183

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

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

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

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 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

€24.90

Prices incl. VAT, plus shipping costs

Part no. 1111904

Sealing rings for inspection

BMW 2V Boxer models

€4.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

Airfilter
Mahle

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

€13.25

Prices incl. VAT, plus shipping costs

Part no. 1372382

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

BMW 2-valve Boxer models

€21.15

Prices incl. VAT, plus shipping costs

Part no. 1311766

Oilfilter Set
Mahle

BMW 2v Boxer models with oilcooler
OX36D two-piece

€14.90

Prices incl. VAT, plus shipping costs

Part no. 1142146

Float chamber gasket
BING carburator

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

€6.50

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

Clutch boot
Clutch pressure bearing

For BMW 2V, 4V, K models

€19.50

Prices incl. VAT, plus shipping costs

Part no. 2313731

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Clamping ring

BMW R 45 and R 65 models
For exhaust

€12.95

Prices incl. VAT, plus shipping costs

Part no. 1821598

Valve Intake
44mm

BMW R 100 models

€25.90

Prices incl. VAT, plus shipping costs

Part no. 1134751

Fuel tap
Right side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612114

Chain tensioner Set
Simplex

BMW 2V Boxer models

€89.50

Prices incl. VAT, plus shipping costs

Part no. 1131183

Oil funnel

BMW 2v Boxer

€9.50

Prices incl. VAT, plus shipping costs

Part no. 8121099

Power Kit 1000cc
Plug & Play

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

€1,049.00

Prices incl. VAT, plus shipping costs

Part no. 1100080

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Cross pipe
Chrome

BMW /5, /6, /7 models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1811638

Valve cover Classic

BMW 2-valve Boxer models

€49.75

Prices incl. VAT, plus shipping costs

Part no. 1112240

Battery cover
Right side

BMW /6 and /7 models
Right side

€39.90

Prices incl. VAT, plus shipping costs

Part no. 4663021

Timing cover gasket

BMW 2v Boxer models
Large

€4.95

Prices incl. VAT, plus shipping costs

Part no. 1114428

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€6.90

Prices incl. VAT, plus shipping costs

Part no. 1112330

Strainer Fuel tap
Karcoma

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 1612112

Fuel tap
Straight Karcoma

BMW 2-valve Boxer models

€54.90

Prices incl. VAT, plus shipping costs

Part no. 1612557

Fork gaiter
15 ribs

BMW R 80GS, R 100GS models

€49.70

Prices incl. VAT, plus shipping costs

Part no. 3142077

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€12.50

Prices incl. VAT, plus shipping costs

Part no. 1124460

NEW

Intake rubber carburetor
D=62mm

BMW R 100 Paralever models

€17.90

Prices incl. VAT, plus shipping costs

Part no. 1372362

NEW

Brake disc Mono Right side
Floating

BMW Monolever with double disc

€219.00

Prices incl. VAT, plus shipping costs

Part no. 3411068

NEW

Manifold
Chrome

BMW R 80, R 100 Monolever models
Left side

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1814181

NEW

Manifold
40mm Chrome

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

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1811441

Silencer Hoske Set
Chrome

BMW R100S, R 100RS, R 100RT
40mm

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1812909

Sealing rings for inspection

BMW 2V Boxer models

€4.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

Fuel filler cap
Lockable

BMW 2-valve Boxer models

€169.00

Prices incl. VAT, plus shipping costs

Part no. 5125125

Power Kit 860cc
Plug & Play

BMW R 65 up to 9/80

€1,096.00

Prices incl. VAT, plus shipping costs

Part no. 1100871

Power Kit 860cc
Plug & Play

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

€1,069.00

Prices incl. VAT, plus shipping costs

Part no. 1100860

Hall sensor

BMW 2v Boxer models from 9/80 on

€129.90

Prices incl. VAT, plus shipping costs

Part no. 1200088

Fuel hose braided
6mm, fabric-covered

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 1311827

Replacement Kit Extra 1000cc
Plug & Play

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

€1,139.00

Prices incl. VAT, plus shipping costs

Part no. 1100103

Valve exhaust
40mm

BMW R 90, R 100 models
30° lead-free

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1134285

Battery cover
Left side

BMW R 45, R 65

€37.20

Prices incl. VAT, plus shipping costs

Part no. 4663173

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

Tail light / Rear light

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

€79.00

Prices incl. VAT, plus shipping costs

Part no. 6321025

Simplex chain
With master link

BMW 2v Boxer models from 9/78 on

€32.95

Prices incl. VAT, plus shipping costs

Part no. 1131934

Cylinder head gasket

BMW 2-valve Boxer up to 900cc

€12.90

Prices incl. VAT, plus shipping costs

Part no. 1112716

Valve Exhaust
40mm

BMW R 80, R 90, R 100 models
45°

€58.00

Prices incl. VAT, plus shipping costs

Part no. 1134837

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

BMW 2-valve Boxer models

€21.15

Prices incl. VAT, plus shipping costs

Part no. 1311766

Fuel tank
26 liters

BMW Paralever models

€890.00

Prices incl. VAT, plus shipping costs

Part no. 16112323153

Hose clamp

Fork gaiter/Carburator/Air filter
BMW 2V Boxer models

€3.50

Prices incl. VAT, plus shipping costs

Part no. 0712123

Spark plug NGK

BPR7ES
For BMW R2V Boxer models up to 1985

€5.70

Prices incl. VAT, plus shipping costs

Part no. 1212146N

NEW

Manifold
40mm Chrome

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

€186.00

Prices incl. VAT, plus shipping costs

Part no. 1811442

Engine Parts

Drive train

Electric

Chassis

Exhaust

Luggage

Krauser 4V MKM

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Used parts

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Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins