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

€3.16 €3.95

Prices incl. VAT, plus shipping costs

Part no. 1112426

Valve cover Classic

BMW 2-valve Boxer models

€39.84 €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

€44.55 €49.50

Prices incl. VAT, plus shipping costs

Part no. 1100101

Oil pan gasket

BMW 2-valve Boxer models

€5.56 €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

€3.16 €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

€11.44 €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 Cover Retro

BMW 2v Boxer models
Black Semi-matt

€71.92 €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

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

€20.20 €25.25

Prices incl. VAT, plus shipping costs

Part no. 1372080

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

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€99.80

Prices incl. VAT, plus shipping costs

Part no. 1899270

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

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

€10.32 €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

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 2v Boxer models
Front

€6.80

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

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Airfilter
Mahle

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

€10.60 €13.25

Prices incl. VAT, plus shipping costs

Part no. 1372382

Clamping ring
Exhaust 40mm

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

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

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

€11.96 €14.95

Prices incl. VAT, plus shipping costs

Part no. 1142146

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Exhaust nut

BMW /5, /6 models
With long fins

€38.95

Prices incl. VAT, plus shipping costs

Part no. 1811270

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€99.80

Prices incl. VAT, plus shipping costs

Part no. 1899270

Exhaust nut

BMW R 45 and R 65 models

€28.65

Prices incl. VAT, plus shipping costs

Part no. 1821595

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For the journey

€36.89 €42.90

Prices incl. VAT, plus shipping costs

Part no. 1821698

Carb gasket Set
BING carburator 64/26, 64/28, 64/32, 94/40

for 2 carburator
BMW 2-valve Boxer models

€99.50

Prices incl. VAT, plus shipping costs

Part no. 1311051

NEW

Valve cover Siebenrock
Four ribs

BMW 2V Boxer models
Polished ribs, polished edges

€87.20 €109.00

Prices incl. VAT, plus shipping costs

Part no. 1112375

NEW

Valve cover Siebenrock
Four ribs

BMW 2V Boxer models
With polished ribs

€76.00 €95.00

Prices incl. VAT, plus shipping costs

Part no. 1112370

Alternator rotor
New part

BMW 2-valve Boxer models

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1231641

Power Kit 860cc
Plug & Play

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

€943.20 €1,179.00

Prices incl. VAT, plus shipping costs

Part no. 1100870

Oil cooler Kit

BMW 2v Boxer models
Centered position

€469.00

Prices incl. VAT, plus shipping costs

Part no. 1142400

Silencer Set
38mm Chrome

BMW /6 und /7 models

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811214

Rubber driver footrest
Round version

BMW /5, /6 models

€9.80

Prices incl. VAT, plus shipping costs

Part no. 4671428

Brake disc 2-2 perforation
Siebenrock product

BMW /6, /7 models, R 65LS

€219.00

Prices incl. VAT, plus shipping costs

Part no. 3411566

Piston Ring Set
1000cc / 860cc

BMW 2V Boxer models

€37.95

Prices incl. VAT, plus shipping costs

Part no. 1125399

Replacement Kit 1000cc 99mm
Plug & Play

BMW R 100/7, R 100RS, R 100RT
Up to 9/1980

€903.20 €1,129.00

Prices incl. VAT, plus shipping costs

Part no. 1100104

Replacement Kit Extra 1000cc
99mm Plug & Play

BMW R 100/7, R 100S, R 100RS, R 100RT
Up to 9/1980

€983.20 €1,229.00

Prices incl. VAT, plus shipping costs

Part no. 1100105

Valve cover gasket

BMW 2-valve Boxer models

€3.16 €3.95

Prices incl. VAT, plus shipping costs

Part no. 1112426

Fuel tap
Straight Karcoma

BMW 2-valve Boxer models

€54.90

Prices incl. VAT, plus shipping costs

Part no. 1612557

Pushrod tube
18mm

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

€24.90

Prices incl. VAT, plus shipping costs

Part no. 1111904

NEW

Brake disc Mono Riveted
Right and left side

BMW Monolever with double disc

€188.10 €209.00

Prices incl. VAT, plus shipping costs

Part no. 3411612

NEW

Valve cover Siebenrock
Four ribs

BMW 2V Boxer models
Black

€63.20 €79.00

Prices incl. VAT, plus shipping costs

Part no. 1112360

Oil Cooler Kit "Street"

BMW R 45, R 65, Monolever models
Centered position

€469.00

Prices incl. VAT, plus shipping costs

Part no. 1142400S

Brembo brake caliper
Repair kit

BMW 2-valve Boxer models
38mm

€79.80

Prices incl. VAT, plus shipping costs

Part no. 3411188

Indicator light panel GS

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

€47.20 €59.00

Prices incl. VAT, plus shipping costs

Part no. 6214756

Sticker R 65 battery cover

BMW R 65, R 65T, R 65 Monolever

€8.26 €9.95

Prices incl. VAT, plus shipping costs

Part no. 5114025

Valve exhaust
34mm

BMW R 65
7mm shaft

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1134094

Valve Intake
38mm

BMW R 65
7mm shaft

€26.75

Prices incl. VAT, plus shipping costs

Part no. 1134092

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

Precision feeler gauges

BMW motorcycle
0.05 - 0.50

€5.55

Prices incl. VAT, plus shipping costs

Part no. 7170654

Muffler
Chrome

BMW R 80ST and R 65GS

€329.00

Prices incl. VAT, plus shipping costs

Part no. 1812966

Silencer
Black chrome

BMW R 65GS, R 80G/S

€739.00

Prices incl. VAT, plus shipping costs

Part no. 1812018

Muffler
Black chrome

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

€349.00

Prices incl. VAT, plus shipping costs

Part no. 1812017

Camshaft gasket Set

BMW 2v Boxer models from 9/78 on

€19.95

Prices incl. VAT, plus shipping costs

Part no. 1114444

Sport tappet, Cam follower

BMW 2-valve Boxer models
Wank

€129.90

Prices incl. VAT, plus shipping costs

Part no. 1133638

Valve keeper

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

€1.95

Prices incl. VAT, plus shipping costs

Part no. 1134325

Ball bearing

BMW 2V Boxer models
For crankshaft front

€16.35

Prices incl. VAT, plus shipping costs

Part no. 0711722

Brake line stainless steel
320mm brake disc

BMW R 80GS, R 100GS, R 80GS Basic up to 9/90

€59.80

Prices incl. VAT, plus shipping costs

Part no. 3432687

Brake disc 3-2 perforatio
Siebenrock product

BMW /6, /7 models

€197.10 €219.00

Prices incl. VAT, plus shipping costs

Part no. 3411502

Manifold Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811223

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

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