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

Valve guide

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

€14.30

Prices incl. VAT, plus shipping costs

Part no. 1112708

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€13.20

Prices incl. VAT, plus shipping costs

Part no. 1124460

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

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€99.80

Prices incl. VAT, plus shipping costs

Part no. 1899270

Airfilter
Mahle

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

€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

Diode board

BMW 2v Boxer models

€79.90

Prices incl. VAT, plus shipping costs

Part no. 1231062

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

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

€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

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

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

Sealing rings for inspection

BMW 2V Boxer models

€5.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

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

€19.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

Airfilter
Mahle

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

€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

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

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Shifter shaft seal

BMW 2-valve Boxer models

€5.70

Prices incl. VAT, plus shipping costs

Part no. 2312740

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For the journey

€42.90

Prices incl. VAT, plus shipping costs

Part no. 1821698

Fuel tap
Left side

BMW 2-valve Boxer models

€49.50

Prices incl. VAT, plus shipping costs

Part no. 1612113

Valve cover gasket

BMW 2-valve Boxer models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1112426

NEW

Valve cover Siebenrock
Four ribs

BMW 2v Boxer models
Classic look

€59.00

Prices incl. VAT, plus shipping costs

Part no. 1112340

Swingarm bearing

BMW 2v Boxer models from 9/80 on
40x17x17

€38.90

Prices incl. VAT, plus shipping costs

Part no. 3317546

Valve guide

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

€14.30

Prices incl. VAT, plus shipping costs

Part no. 1112708

Fuel hose braided
6mm, fabric-covered

BMW 2-valve Boxer models

€9.95

Prices incl. VAT, plus shipping costs

Part no. 1311827

Power Kit Extra 1000cc 97mm
Plug & Play

BMW R 75/5, R 75/6, R 90/6 , R 90S up to 9/75

€1,229.00

Prices incl. VAT, plus shipping costs

Part no. 1100072

Strainer Fuel tap
Karcoma

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 1612112

NEW

Rear brake master cylinder

BMW R 100 models
Rear

€396.00

Prices incl. VAT, plus shipping costs

Part no. 3431960

NEW

Valve cover Siebenrock
Four ribs

BMW 2V Boxer models
Black

€79.00

Prices incl. VAT, plus shipping costs

Part no. 1112360

NEW

Alternator

BMW /6, /7 models
350W Lithium style battery compatible

€795.00

Prices incl. VAT, plus shipping costs

Part no. 1231107L

NEW

Gasket Hoske exhaust
40mm -->38mm

For manifold 38mm
BMW /5, /6, /7 models

€19.95

Prices incl. VAT, plus shipping costs

Part no. 1821656

Brake line stainless steel

BMW R 80ST with 320mm brake
Black Front

€62.90

Prices incl. VAT, plus shipping costs

Part no. 3432108S

Fuel filler cap
Lockable

BMW 2-valve Boxer models

€169.00

Prices incl. VAT, plus shipping costs

Part no. 5125125

Oil pan distance ring
Black

BMW 2-valve Boxer models

€169.80

Prices incl. VAT, plus shipping costs

Part no. 1113100S

Throttle / Choke cable splitter

BMW 2-valve Boxer from 1981 on

€33.95

Prices incl. VAT, plus shipping costs

Part no. 3273014

Camshaft gasket Set

BMW 2v Boxer models from 9/78 on

€19.95

Prices incl. VAT, plus shipping costs

Part no. 1114444

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1132995

Piston
Big Bore Kit "MAHLE"

BMW R 100 models
98mm complete with 3 rings

€459.00

Prices incl. VAT, plus shipping costs

Part no. 1109022

Breaker contact
With long wiring

BMW 2v Boxer models up to 9/78

€14.25

Prices incl. VAT, plus shipping costs

Part no. 1211555

Valve keeper

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

€1.95

Prices incl. VAT, plus shipping costs

Part no. 1134325

Compression ring for clutch

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

€109.00

Prices incl. VAT, plus shipping costs

Part no. 2121666

Pressure plate clutch

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

€129.00

Prices incl. VAT, plus shipping costs

Part no. 2121801

Clutch boot
Clutch pressure bearing

For BMW 2V, 4V, K models

€19.50

Prices incl. VAT, plus shipping costs

Part no. 2313731

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

Power Kit Extra 1000cc 99mm
Stainless steel pushrod tubes

BMW R 75/6, R 90/6, R 90S, R 75/7, R 80/7, R 80RT

€1,229.00

Prices incl. VAT, plus shipping costs

Part no. 1100085

Steering head bearing

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

€21.90

Prices incl. VAT, plus shipping costs

Part no. 0711070

Oil pressure switch

BMW 2v Boxer models from /6 on

€12.95

Prices incl. VAT, plus shipping costs

Part no. 6131414

Clamping ring
Exhaust 40mm

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

Fuel tap
Straight Karcoma

BMW 2-valve Boxer models

€54.90

Prices incl. VAT, plus shipping costs

Part no. 1612557

Turn signal bracket
Front Short version

BMW /5, /6, /7 models

€59.00

Prices incl. VAT, plus shipping costs

Part no. 3142941

Choke lever cap

BMW 2V Boxer, 4V boxer, K 2V, K 4V

€11.90

Prices incl. VAT, plus shipping costs

Part no. 3272975

Gasket kit carburetor
BING carburetor 94/40

BMW 2V Boxer Models
With diaphragm

€99.50

Prices incl. VAT, plus shipping costs

Part no. 1311902

Diaphragm
BING Carburator 64/26, 64/28, 64/32,

BMW 2-valve Boxer models

€29.95

Prices incl. VAT, plus shipping costs

Part no. 1311774

Valve spring

BMW 2-valve Boxer models

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1134176

Spring chain tensioner
Duplex

BMW /5 ,/6 and /7 models

€6.65

Prices incl. VAT, plus shipping costs

Part no. 1131188

NEW

Manifold
Black chrome

BMW R 65LS
Right side

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1814010

NEW

Manifold
Black chrome

BMW R 65LS
Left side

€219.00

Prices incl. VAT, plus shipping costs

Part no. 1814009

NEW

Manifold
40mm Chrome

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

€176.90

Prices incl. VAT, plus shipping costs

Part no. 1811442

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