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

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

€89.50

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

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

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

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

Valve cover Classic

BMW 2-valve Boxer models

€49.75

Prices incl. VAT, plus shipping costs

Part no. 1112240

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

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

Chain tensioner Set
Simplex

BMW 2V Boxer models

€89.50

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

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€12.50

Prices incl. VAT, plus shipping costs

Part no. 1124460

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Silencer Set
40mm Chrome

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

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811215

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

Oil pan gasket

BMW 2-valve Boxer models

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

Valve Exhaust
40mm

BMW R 80, R 90, R 100 models
45°

€58.00

Prices incl. VAT, plus shipping costs

Part no. 1134837

NEW

Gasket Hoske exhaust
40mm -->38mm

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

€19.70

Prices incl. VAT, plus shipping costs

Part no. 1821656

Oil pan distance ring
Enduro Black

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

€279.00

Prices incl. VAT, plus shipping costs

Part no. 1113120S

Star Nut Wrench
Touring

BMW 2-valve Boxer models
Short For the journey

€42.90

Prices incl. VAT, plus shipping costs

Part no. 1821698

Oilfilter Set
Mahle

BMW 2v Boxer models without oilcooler
OX37D two-piece

€14.25

Prices incl. VAT, plus shipping costs

Part no. 1142145

Muffler
Black chrome

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

€349.00

Prices incl. VAT, plus shipping costs

Part no. 1812017

Oil cooler Kit

BMW 2v Boxer models
Centered position

€469.00

Prices incl. VAT, plus shipping costs

Part no. 1142400

Camshaft gasket Set

BMW 2v Boxer models from 9/78 on

€18.60

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

Conrod screw
ARP Racing

Siebenrock Big Bore Kit

€69.00

Prices incl. VAT, plus shipping costs

Part no. 1109004

Silencer Set
38mm Chrome

BMW /6 und /7 models

€398.00

Prices incl. VAT, plus shipping costs

Part no. 1811214

Copper Paste

0.1 Kilogramm (€125.00 / 1 Kilogramm)
Liqui Moly

Content 0.1 Kilogramm (€125.00 * / 1 Kilogramm)

€12.50

Prices incl. VAT, plus shipping costs

Part no. LM3080

Oil pan distance ring
Enduro

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

€239.00

Prices incl. VAT, plus shipping costs

Part no. 1113120

Valve Exhaust
34mm

BMW R 60/5, R 60/6, R 60/7

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1134679

Valve cover gasket

BMW 2-valve Boxer models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1112426

Pressure ring

BMW R 100S, R 100RS, R 100RT up to 9/80
For exhaust 40mm

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1821448

Clamping ring
Exhaust 40mm

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1821449

Spring

BMW 2v Boxer models
For chain tensioner Simplex

€8.53

Prices incl. VAT, plus shipping costs

Part no. 1131584

Float needle valve
BING Carburator 64/26, 64/28, 64/32, 94/40

BMW 2-valve Boxer models

€14.25

Prices incl. VAT, plus shipping costs

Part no. 1311318

Shock Set

BMW /5, /6 and /7 models
YSS Black edition

€389.00

Prices incl. VAT, plus shipping costs

Part no. 3353110Y

Fuel filler cap 101 style

BMW 2v Boxer models

€169.00

Prices incl. VAT, plus shipping costs

Part no. 5125119S

Throttle body
BING carburetor 94/40

BMW R 100, Monolever, Paralever

€15.50

Prices incl. VAT, plus shipping costs

Part no. 1311746

NEW

Brake disc Mono Left side
Floating

BMW Monolever with double disc

€219.00

Prices incl. VAT, plus shipping costs

Part no. 3411067

NEW

Bearing shell connecting rod
+0,50 2.Oversize

BMW 2V Boxer models

€12.50

Prices incl. VAT, plus shipping costs

Part no. 1124420

Valve Intake
34mm

BMW R 50/5

€25.90

Prices incl. VAT, plus shipping costs

Part no. 1134118

Brembo brake caliper
Repair kit

BMW 2-valve Boxer models
38mm

€69.90

Prices incl. VAT, plus shipping costs

Part no. 3411188

Tension springs Set
Oil pan distance ring

BMW 2v Boxer models

€18.50

Prices incl. VAT, plus shipping costs

Part no. 1113103

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