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

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 2v Boxer

€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

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

Oil pan gasket

BMW 2-valve Boxer models

€6.95

Prices incl. VAT, plus shipping costs

Part no. 1113427

Pushrod tube seal
18mm

BMW 2v Boxer models from 9/75 on

€3.95

Prices incl. VAT, plus shipping costs

Part no. 1132995

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€6.90

Prices incl. VAT, plus shipping costs

Part no. 1112330

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

Diode board

BMW 2v Boxer models

€79.90

Prices incl. VAT, plus shipping costs

Part no. 1231062

Piston ring Set

BMW R 80 models
800cc Nikasil plated

€37.95

Prices incl. VAT, plus shipping costs

Part no. 1125398

Star Nut Wrench

BMW 2-valve Boxer models
In shop quality

€49.35

Prices incl. VAT, plus shipping costs

Part no. 1821699

Airfilter
Mahle

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

€25.25

Prices incl. VAT, plus shipping costs

Part no. 1372080

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

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

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

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

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

€15.95

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

Airfilter
Mahle

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

€13.25

Prices incl. VAT, plus shipping costs

Part no. 1372382

Shaft seal
Transmission Input 5 speed

BMW 2-valve Boxer models

€9.95

Prices incl. VAT, plus shipping costs

Part no. 2312726

Sealing rings for inspection

BMW 2V Boxer models

€4.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

Exhaust Thread Cutting Tool

BMW 2-valve Boxer models
M52x2

€98.00

Prices incl. VAT, plus shipping costs

Part no. 1899270

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

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

Oil pan distance ring

BMW 2-valve Boxer models

€139.00

Prices incl. VAT, plus shipping costs

Part no. 1113100

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

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

Headlight

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

€349.00

Prices incl. VAT, plus shipping costs

Part no. 6312022L

Oilfilter Set
Mahle

BMW 2v Boxer models with oilcooler
OX36D two-piece

€14.90

Prices incl. VAT, plus shipping costs

Part no. 1142146

Cap nut stainless steel

BMW 2-valve Boxer models
For valve cover

€6.90

Prices incl. VAT, plus shipping costs

Part no. 1112330

Upper Spring Plate
Top

BMW 2-valve Boxer models
Not for R 45, R 65

€10.90

Prices incl. VAT, plus shipping costs

Part no. 1134554

Extension cable
For Speedometer GS2

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

€9.50

Prices incl. VAT, plus shipping costs

Part no. 6299732

Temperature sensor
For Speedometer GS2

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

€45.90

Prices incl. VAT, plus shipping costs

Part no. 6299733

Silicone sealing compound

0.03 Liter (€495.00 / 1 Liter)
BMW 2V Boxer models
Drei Bond

Content 0.03 Liter (€495.00 * / 1 Liter)

€14.85

Prices incl. VAT, plus shipping costs

Part no. 0758376

Oilfilter Set
Mahle

BMW 2v Boxer models without oilcooler
OX37D two-piece

€14.25

Prices incl. VAT, plus shipping costs

Part no. 1142145

Engine gasket Set
From 9/1980 on

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

€129.00

Prices incl. VAT, plus shipping costs

Part no. 1100422

Rear bag GS

BMW 2V Boxer G/S, ST, GS models
Made of sturdy leather

€219.00

Prices incl. VAT, plus shipping costs

Part no. 4654200

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

NEW

Big Bore Kit 1070cc "S" Touring

BMW R 100 models from 9/80 on
Conrods 150,5mm

€2,650.00

Prices incl. VAT, plus shipping costs

Part no. 1101210

Speedometer GS2 km version

BMW R 65GS, R 80 G/S, R 80GS,
R 100GS, R 80GS Basic
"Plug and Play"

€319.00

Prices incl. VAT, plus shipping costs

Part no. 6212646

Speedometer cable boot Gearbox input

BMW 2-valve Boxer models

€7.90

Prices incl. VAT, plus shipping costs

Part no. 6113170

Mirror metal

BMW 2-valve Boxer models
Short Left side

€48.70

Prices incl. VAT, plus shipping costs

Part no. 5116555

Exhaust nut

BMW R 45 and R 65 models

€27.50

Prices incl. VAT, plus shipping costs

Part no. 1821595

Exhaust nut

BMW /5, /6 models
With long fins

€29.50

Prices incl. VAT, plus shipping costs

Part no. 1811270

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

Carb gasket Set

BING carburator

64/26, 64/28, 64/32, 94/40
BMW 2-valve Boxer models
Without diaphragm

€15.95

Prices incl. VAT, plus shipping costs

Part no. 1311951

Valve exhaust
40mm

BMW R 90, R 100 models
30° lead-free

€48.50

Prices incl. VAT, plus shipping costs

Part no. 1134285

O-Ring seal cylinder base

BMW 2V Boxer models
Small

€1.10

Prices incl. VAT, plus shipping costs

Part no. 1111141

Foot pegs Driver Set
Lowered

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

€95.00

Prices incl. VAT, plus shipping costs

Part no. 4672016

In-line fuel filter
Mahle

BMW 2-valve Boxer models
KL 13

€2.49

Prices incl. VAT, plus shipping costs

Part no. 1614013

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

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

for 2 carburator
BMW 2-valve Boxer models

€99.90

Prices incl. VAT, plus shipping costs

Part no. 1311051

Rubber
Footrest driver

BMW 2-valve Boxer models

€25.94

Prices incl. VAT, plus shipping costs

Part no. 4671660

BMW R 100GS PD Classic

€12,950.00

NEW

Adapter cable additional instruments
For Speedometer GS2

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

€29.90

Prices incl. VAT, plus shipping costs

Part no. 6299737

Swingarm bearing

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

€38.90

Prices incl. VAT, plus shipping costs

Part no. 3317546

Brembo brake caliper
Repair kit

BMW 2-valve Boxer models
38mm

€69.90

Prices incl. VAT, plus shipping costs

Part no. 3411188

Brembo brake caliper
Repair kit

BMW Monolever, Paralever models
48mm

€119.00

Prices incl. VAT, plus shipping costs

Part no. 3411187

Sealing rings for inspection

BMW 2V Boxer models

€4.75

Prices incl. VAT, plus shipping costs

Part no. 0711333

Brake line stainless steel

BMWr R 65GS, R 80G/S, R 80ST

€54.00

Prices incl. VAT, plus shipping costs

Part no. 3432106S

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