Exhaust star nut

€29.80

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

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

Read, write and discuss reviews... more

Close menu

Customer evaluation for "Exhaust star nut"

Write an evaluation

Evaluations will be activated after verification.

Pressure ring
Exhaust 38mm

BMW 2-vakve Boxer models

€6.50

Prices incl. VAT, plus shipping costs

Part no. 1821585

Clamping ring
38mm

BMW 2-valve Boxer models

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Valve cover gasket

BMW 2v Boxer

€3.25

Prices incl. VAT, plus shipping costs

Part no. 1112426

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

Oil pan gasket

BMW 2-valve Boxer models

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

Valve cover Classic

BMW 2-valve Boxer models

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1112240

Cylinder gasket Set
From 9/1980 on

For Power Kit 1000cc, Replacement Kit
1000cc, BMW R 100 models from 9/80 on

€44.60

Prices incl. VAT, plus shipping costs

Part no. 1100101

Fuel tap
Left side

BMW 2-valve Boxer models

€45.95

Prices incl. VAT, plus shipping costs

Part no. 1612113

Oilfilter Set

BMW 2v Boxer models without oilcooler
OX37D two-piece Mahle

€13.50

Prices incl. VAT, plus shipping costs

Part no. 1142145

Fuel tap
Right side

BMW 2-valve Boxer models

€45.95

Prices incl. VAT, plus shipping costs

Part no. 1612114

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.25

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

Valve guide

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

€13.95

Prices incl. VAT, plus shipping costs

Part no. 1112708

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€43.90

Prices incl. VAT, plus shipping costs

Part no. 1821699

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€5.45

Prices incl. VAT, plus shipping costs

Part no. 1112330

Diode board

BMW 2v Boxer models

€89.00

Prices incl. VAT, plus shipping costs

Part no. 1231062

Airfilter

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

€20.90

Prices incl. VAT, plus shipping costs

Part no. 1372080

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Bearing shell conrod

BMW 2v Boxer models
Standard sized

€9.90

Prices incl. VAT, plus shipping costs

Part no. 1124460

Strainer Fuel tap
Karcoma

BMW 2-valve Boxer models

€7.95

Prices incl. VAT, plus shipping costs

Part no. 1612112

Valve Cover Retro

BMW 2v Boxer models
Black Semi-matt

€86.90

Prices incl. VAT, plus shipping costs

Part no. 1112246

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

€21.50

Prices incl. VAT, plus shipping costs

Part no. 1111904

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1125398

Clutch disc
MCC600 Lucas

BMW 2v Boxer models from 9/80 on

€89.50

Prices incl. VAT, plus shipping costs

Part no. 2121512L

Sealing rings for inspection

BMW 2V Boxer models

€4.50

Prices incl. VAT, plus shipping costs

Part no. 0711333

Float chamber gasket

BMW 2-valve Boxer models
32mm, 40mm Bing carburetor

€5.35

Prices incl. VAT, plus shipping costs

Part no. 1311764

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Cylinder head gasket

BMW 2-valve Boxer 1000cc and
Power Kit 860cc, Power Kit 1000cc

€11.90

Prices incl. VAT, plus shipping costs

Part no. 1112715

Shaft seal
Transmission Input 5 speed

BMW 2-valve Boxer models

€9.50

Prices incl. VAT, plus shipping costs

Part no. 2312726

Chain tensioner Set
Simplex

BMW 2V Boxer models

€79.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Rubber mounts
Diode plate

BMW 2-valve Boxer models

€3.65

Prices incl. VAT, plus shipping costs

Part no. 1231131

Shifter shaft seal

BMW 2-valve Boxer models

€3.50

Prices incl. VAT, plus shipping costs

Part no. 2312740

Carb gasket Set
32/40mm Bing carb

BMW 2-valve Boxer models
Without diaphragm

€15.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

Airfilter

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

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1372382

Oilfilter Set

BMW 2v Boxer models with oilcooler
OX36D two-piece Mahle

€14.65

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

Clutch boot
Clutch pressure bearing

For BMW 2V, 4V, K models

€19.50

Prices incl. VAT, plus shipping costs

Part no. 2313731

Pressure ring

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

€7.50

Prices incl. VAT, plus shipping costs

Part no. 1821448

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Alternator Three-phase

410W with PowerBlock
BMW 2-valve Boxer models
Digital single ignition 107mm centering

€1,019.00

Prices incl. VAT, plus shipping costs

Part no. SHZ2335

Precision feeler gauges

BMW motorcycle
0.05 - 0.50

€5.55

Prices incl. VAT, plus shipping costs

Part no. 7170654

Engine gasket Set
From 9/1980 on

BMW R 100RS, R 100RT, R 100CS, R 100GS, R 100R

€109.00

Prices incl. VAT, plus shipping costs

Part no. 1100422

Profile rubber
Tool box

BMW /5,/ 6/, /7 models

€8.90

Prices incl. VAT, plus shipping costs

Part no. 5253398

Instrument housing Set

BMW R 60/6, R 75/6, R 90/6, R 90S
R 60/7, R 75/7, R 100 models

€179.00

Prices incl. VAT, plus shipping costs

Part no. 6211663S

Piston Ring Tensioner Pliers

For Power Kit, Replacement Kit, Big Bore Kit

€79.80

Prices incl. VAT, plus shipping costs

Part no. 1109016

Knee pad Fuel tank
Right side

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

€70.00

Prices incl. VAT, plus shipping costs

Part no. 5114926

Clamping ring
38mm

BMW 2-valve Boxer models

€10.95

Prices incl. VAT, plus shipping costs

Part no. 1821586

Sticker fuel tank
Left side

BMW R 65GS, R 80G/S

€23.70

Prices incl. VAT, plus shipping costs

Part no. 1611363

Grip rubber
Left side Square-cut Black

BMW 2-valve Boxer models

€8.95

Prices incl. VAT, plus shipping costs

Part no. 3272811

Shock YSS

BMW R 65GS, R 80G/S
"G/S Sport"

€369.00

Prices incl. VAT, plus shipping costs

Part no. 3353733

Chain tensioner Set
Simplex

BMW 2V Boxer models

€79.00

Prices incl. VAT, plus shipping costs

Part no. 1131183

Pushrod tube seal
16mm

BMW R 50/5, R60/5, R 75/5. R 60/6, R 75/6, R 90/6, R 90S

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1132267

Valve spring pocket
Bottom

BMW 2v Boxer models

€8.90

Prices incl. VAT, plus shipping costs

Part no. 1134281

Shock YSS

BMW R 65GS, R 80G/S
"G/S Sport" Black edition

€498.00

Prices incl. VAT, plus shipping costs

Part no. 3353733Y

"Krauser Classic" Motocase
Set

MW 2-valve Boxer models
Improved new edition

€594.00

Prices incl. VAT, plus shipping costs

Part no. 4654100

Distance ring
For spark plug

BMW R 100 models

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1212000

Gear shifter unit
Repair kit

BMW 2-valve Boxer models from 9/75 on

€23.50

Prices incl. VAT, plus shipping costs

Part no. 2331910

Sticker Krauser
13 x 7cm

Krauser MKM 1000 models

€14.80

Prices incl. VAT, plus shipping costs

Part no. 7810070

Circlip for gudgeon pin

For Power Kit 1000cc, Replacement Kit 1000cc
and Power Kit 860cc

€0.60

Prices incl. VAT, plus shipping costs

Part no. 1100129

Crankshaft seal

BMW 2-valve models
Rear

€21.95

Prices incl. VAT, plus shipping costs

Part no. 1111739

Seat G/S

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

€295.00

Prices incl. VAT, plus shipping costs

Part no. 5255130

NEW

Instrument housing Set

BMW R 60/6, R 75/6, R 90/6, R 90S,
R 60/7, R 75/7, R 100 models

€179.00

Prices incl. VAT, plus shipping costs

Part no. 6211664S

Shock YSS

BMW R 65GS, R 80G/S
Eco

€249.00

Prices incl. VAT, plus shipping costs

Part no. 3353730Y

Sticker fuel tank
Left side

BMW R 65GS, R 80G/S

€23.70

Prices incl. VAT, plus shipping costs

Part no. 1611649

Hexagon socket nut Krauser

Krauser 4-valve / MKM

€5.90

Prices incl. VAT, plus shipping costs

Part no. 11662004

Fuel filler cap
Lockable

BMW 2-valve Boxer models

€145.00

Prices incl. VAT, plus shipping costs

Part no. 5125125

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

Sticker fuel tank
Left side

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

€7.95

Prices incl. VAT, plus shipping costs

Part no. 5114923

Pushrod tube
18mm

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

€21.50

Prices incl. VAT, plus shipping costs

Part no. 1111904

NEW

Rear Frame GS Sport
Plug & Play

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

€395.00

Prices incl. VAT, plus shipping costs

Part no. 4651600

NEW

Holder
Fender Rear wheel

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

€9.50

Prices incl. VAT, plus shipping costs

Part no. 4662698

NEW

Intake rubber carburetor
D=50mm

BMW 2-valve Boxer models

€13.50

Prices incl. VAT, plus shipping costs

Part no. 1372392

Tyre valve extension

BMW motorcycle
Angled

€5.20

Prices incl. VAT, plus shipping costs

Part no. 7111258

Indicator light panel GS

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

€59.00

Prices incl. VAT, plus shipping costs

Part no. 6214756

Valve cover Classic

BMW 2-valve Boxer models

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1112240

Windshield
Standard

BMW 2-valve Boxer S-Cockpit

€193.00

Prices incl. VAT, plus shipping costs

Part no. 4663499

Choke cable
Right side

BMW 2-valve Boxer models up tp 9/80
26/32/40mm Bing carb Bottom

€17.76

Prices incl. VAT, plus shipping costs

Part no. 1323977

Engine Parts

Drive train

Electric

Chassis

Exhaust

Luggage

Krauser 4V MKM

Miscellaneous

Used parts

search queries

Exhaust star nut

BMW /7, Monoelver, Paralever models
With short fins