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108 matching products
Display
12,55 € ATI
The exhaust valve is a crucial engine component. As part of the timing system, it enables the exhaust gases produced by combustion in the engine's cylinders to be discharged.
During the engine cycle, the exhaust valve opens at the end of the combustion phase to allow exhaust gases (combustion residues) to be discharged into the vehicle's exhaust system. Once the gases have been evacuated, the valve closes again to prepare the cylinder for the next cycle.
When the piston reaches its lowest point, the exhaust valve opens, allowing the burnt gases to be expelled under pressure to the exhaust manifold.Once all the gases have been expelled, the valve closes and the cylinder prepares for the next intake and compression cycle.
An exhaust valve that doesn't close properly can lead to exhaust gas leakage, reducing engine performance and power.An abnormal noise from the engine, such as a "rattling" or metallic knocking sound, may indicate that the valve is incorrectly closed or damaged.If the valve is not working properly, this can lead to inefficient combustion and increased fuel consumption.A faulty valve can cause incomplete combustion, resulting in excessive smoke emissions, including blue smoke (burnt oil) or black smoke (incomplete fuel).
As the engine ages, exhaust valves can become worn or deformed due to the extreme heat generated during combustion cycles.Overheating or poor thermal management can cause valves to crack or deform, preventing them from closing properly.Carbon deposits or other impurities can build up on the valve, impairing its operation.On some engines, valve clearances need to be adjusted regularly. If the valve clearance is too high or too low, this can affect valve operation.
Checking the condition of valves often involves dismantling the engine, removing the cylinder head and examining the valves and valve seats.If a valve is worn, cracked or damaged, it will need to be replaced. In some cases, it may be necessary to replace the valve guides or rectify the valve seats.In some engines (mechanical tappets), it may be necessary to adjust the valve clearances to ensure that the exhaust valve operates correctly. This adjustment should be carried out at regular intervals.Carbon deposits can be removed, but this may require careful disassembly and cleaning of the components.
In short, exhaust valves play a key role in engine operation and must be serviced regularly.
With a head diameter of 33 mm and a tail diameter of 9 mm, this valve is suitable for VW T2, T25, T3, 412, Type 4 engines:- 1700cc 62hp (CE 08/71 ->004 500)- 1700cc 66hp (CB 08/71 ->12/73)- 1700cc 66hp (CA 08/71 ->050 000)- 1700cc 80hp (W 08/69 ->250 000)- 1700cc 80hp (EA 08/71 ->098 793)- 1700cc 80hp (EB 08/71 ->010 020)- 1800cc 68hp (AP 027 466 ->055 000)- 2000cc 70hp (CJ, GE, CU, CV)- 2000cc 70hp (GD 000 001 ->055 800)
Read the full description
ref: KD25000
4,6
Only 3 in stock
12,55 € ATI
Exhaust valve for:
- 914-4 1.7
Diameter of the head: 33 mm
Read the full description
ref: RS25000
Only 3 in stock
2,69 € ATI
Guide on head for exhaust or intake valve of VW LT from 1976 to 1996:
- 2.0 Gasoline 69hp (CL)
- 2.0 Gasoline 75hp (CH)
- 2.4 Diesel 70hp (1S, ACT)
- 2.4 Diesel 75hp (CP, DW)
- 2.4 Gasoline 90hp (DL)
- 2.4 Turbo Diesel 92hp (1G)
- 2.4 Turbo-Diesel 95hp (ACL)
- 2.4 Petrol 95hp (1E)
- 2.4 Turbo-Diesel 102hp (DV)
PLEASE NOTE:
Once the guides have been fitted to your cylinder head, it will be necessary to re-bore them so that they perfectly match the diameter of your valves
Read the full description
ref: LT25000
In stock
2,79 € ATI
Valve guide 36,5 x 8 mm for VOLKSWAGEN Transporter T4 :
- 1.9 Diesel 60hp (1X)
- 1.9 turbo Diesel 68hp (ABL) up to Engine no. ->076000
- 2.4 Diesel 75hp and 78hp (AJA, AAB)
- 2.0 petrol 84hp (AAC)
- 2.5 petrol 110hp (AAF, ACU, AEN, AEU)
- 2.5 petrol 115hp (APL, AET, AVT)
- 2.5 TDi 88hp (AJT, AYY)
- 2.5 TDi 102hp (ACV, AUF, AYC)
- 2.5 TDi 151hp (AHY, AXG)
CAUTION :
Once the guides have been fitted to your cylinder head, it will be necessary to re-bore them to match your valve diameter perfectly.
Read the full description
ref: KD25103
In stock
2,69 € ATI
Suitable for VOLKSWAGEN Transporter T25 :
- 1.6 Diesel 50hp (CS)
- 1.6 turbo-Diesel 70hp (JX)
- 1.7 Diesel 57hp (KY)
ATTENTION:
Once the guides have been fitted to your cylinder head, it will be necessary to re-bore them to match your valve diameter perfectly.
Read the full description
ref: KD25102
5,0
In stock
1,89 € ATI
For Scirocco and Golf 2:
- 1.8 16v 129/139hp (PL, KR)
For Corrado up to chassis ->50-P-008 000
- 1.8 16v 136hp (KR)
- 2.0 16v 136hp (9A)
For Passat up to chassis ->31-P-160 000
- 1.8 16v 136hp (KR)
- 2.0 16v 136hp (9A)
Read the full description
ref: GD25601
4,6
In stock
0,65 € ATI
For Corrado:
- 1.8 G60160hp (PG)
- 2.0 115hp (ADY up to engine no. ->000778)
- 2.0 115hp (2E up to engine no. ->565664)
Read the full description
ref: GD25602
In stock
0,65 € ATI
For Golf 3:
- 1.4 60hp (ABD) up to chassis ->1H-NW990000ou ->1H-NB030000
- 1.6 100hp (AEK up to engine no. ->000813)
-1.8 75hp (AAM up to engine no. ->408197)
- 1.8 90hp (ABS up to engine no. ->935645)
- 1.8 90hp (ADZ upto engine no. ->001109)
- 1.9 Diesel 64hp (1Y up to engine no. ->580000)
- 1.9 Diesel 64hp (AEY up to engine no. ->002000)
- 1.9 Turbo Diesel 75hp (AAZ up to engine no. ->678000)
- 1.9 TDi 90hp (1Z up to engine no. ->770000)
- 1.9 TDi 110hp (AFN up to engine no. ->002000)
- 2.0 107hp (AEP up to engine no. ->000709)
- 2.0 115hp (2E up to engine no. ->565664)
-2.0 115hp (ADY up to engine no. ->000778)
Read the full description
ref: GD25604
5,0
In stock
0,65 € ATI
Suitable for 3-notch valve in:
- Golf 1 and Jetta 1
- Golf 2 and Jetta 2 (not for 16s)
- Scirocco (not for 16s)
Read the full description
ref: GD25600
5,0
In stock
0,65 € ATI
Cotter for original valve stem.
For VW Transporter T4 type 70:
- 1.8 Petrol 68hp (PD)
- 1.9 Diesel 60hp (1X)
- 1.9 Turbo Diesel 68hp (ABL)
- 2.0 Petrol 84hp (ABC)
- 2.4 Diesel 78hp (AAB)
- 2.5 Petrol 110hp (AAF, ACU, AEN)
For Transporter T4 type 7D:
- 1.9 Turbo Diesel 68hp (ABL)
- 2.0 Petrol 84hp (AAC)
- 2.4 Diesel 78hp (AAB)
- 2.5 Petrol 110hp (ACU, AEU)
- 2.5 Petrol 115hp (AET, APL, AVT)
- 2.5 TDi 102hp (ACV, AXL)
Read the full description
ref: KD25110
4,0
In stock
0,59 € ATI
Original half-moon valve stem key for VW LT from 1982 to 1996 since chassis n°28-C-004334
- 2.4 Diesel 70hp (1S, ACT)
- 2.4 Diesel 75hp (CP, DW)
- 2.4 Turbo-Diesel 92hp (1G)
- 2.4 Turbo-Diesel 95hp (ACL)
- 2.4 Turbo-Diesel 102hp (DV)
- 2.4 petrol 90hp (DL)
- 2.4 petrol 95hp (1E)
Read the full description
ref: LD25000
In stock
0,59 € ATI
Original half-moon valve stem key for VW LT from 1996 to 2006
- 2.5 SDi 75hp (AGX)
- 2.5 TDi 90hp (APA)
- 2.5 TDi 102hp (AHD)
- 2.5 TDi 109hp (ANJ)
- 2.5 petrol 83hp (BBE)
- 2.5 petrol 95hp (BBF)
Read the full description
ref: LD25001
5,0
In stock
0,59 € ATI
FEBI valve half ring for Bmw 5 Series:
- Compatible with Bmw 5 Series E34 Sedan from 03/1987 to 04/1993 only with 6-cylinder 12-valve petrol engine code m30.
Requires 2 half-ringretainers per valve.
Sold individually.
Read the full description
ref: BD22801
In stock
11,89 € ATI
Suitable for:
- E36 316 i and 318 i M43 engine
- E46 316 i and 318 i M43 engine
- E34 518 i M43 engine
Read the full description
ref: BD22604
Only 1 in stock
51,85 € ATI
4 Inlet valve 46x103,8x8mm for BMW 02 series E10 Sedan, Touring and Cabriolet Baur Targa with cylinder head number E12 or E21 2.0 :
Sedan :
- 2002 100hp phase 1 from 06/1972 to 08/1973 (engine code M05)
- 2002 100hp phase 2 from 09/1973 to 11/1975 (engine code M05)
- 2002A auto 100hp phase 1 from 06/1972 to 08/1973 (engine code M05)
- 2002A auto 100hp phase 2 from 09/1973 to 06/1975 (engine code M05)
- 2002tii 130hp phase 1 from 04/1971 to 06/1972 (engine code M15) --> with 121 or 121TI cylinder head modified with 46mm valves
- 2002tii 130hp phase 1 from 06/1972 to 08/1973 (engine code M15) --> with E12 cylinder head
- 2002tii 130hp phase 2 from 09/1973 to 11/1975 (engine code M15)
- 2002Turbo 170hp from 07/1973 to 07/1975 (engine code M31)
Touring :
- 2000 100hp phase 1 from 06/1972 to 08/1973 (engine code M05)
- 2000A auto 100hp phase 1 from 06/1972 to 09/1972 (engine code M05)
- 2002 100hp phase 2 from 09/1973 to 04/1974 (M05 engine code)
- 2000tii 130hp phase 1 from 01/1971 to 06/1972 (engine code M15) --> with 121 or 121TI cylinder head modified with 46mm valves
- 2000tii 130hp phase 1 from 06/1972 to 08/1973 (engine code M15) --> with E12 cylinder head
- 2002tii 130hp phase 2 from 09/1973 to 04/1974 (engine code M15)
Cabriolet Baur Targa :
- 2002 100hp phase 1 from 06/1972 to 08/1973 (engine code M05)
- 2002 100hp phase 2 from 09/1973 to 12/1975 (engine code M05)
INFORMATION: There are four different cylinder heads for the 2002 M10 engine. They are identified by a number which can be 121, 121TI, E12 or E21 2.0, located on the intake side, above the fourth cylinder inlet, easily visible when opening the hood.
From 01/1971 to 06/1972, the 2002tii is fitted with 121 or 121TI cylinder heads modified with 46mm valves. From 06/1972, all 2002s feature a new cylinder head identified E12 with 46mm intake valves.
Technical specifications:
- Head diameter: 46mm
- Stem diameter: 8mm
- Length: 103.8mm
- Seat angle: 45
- Shank type: 3 grooves
Quantity required: 4
This product is sold in packs of 4
Read the full description
ref: BD22530
Out of stock from our supplier
1,75 € ATI
3-notch valve stem collet for 7 mm valve for Golf 3 and Vento:
- 1.4 60hp (AEX)
- 1.6 75hp (AEE)
- 1.6 100hp (AEK, AFT, AKS)
- 1.8 75hp (AAM)
- 1.8 90hp (ADZ, ACC)
- 1.9 Diesel 64hp (1Y from engine No. 580001->)
- 1.9 Diesel 64hp (AEY from engine No. 002001->)
- 1.9 Turbo-diesel 75hp (AAZ from engine No. 678001->)
- 1.9 TDi 90hp (1Z from engine No. 770001->
- 1.9 TDI 90hp (AHU, ALE)
- 1.9 TDi 110hp (AFN from engine No. 002001->)
- 2.0 107/115hp (AEP, AGG, AKR)
- 2.0 16v 150hp (ABF)
- 2.8 and 2.9 VR6 174/190hp (AAA, ABV)
Read the full description
ref: GD25606
In stock
1,59 € ATI
Conical collet for valves with 3 notches and 6 mm stem for Polo 9N3:
- 1.2 54hp (BMD)
- 1.2 60hp (BBM)
- 1.2 64hp (BME)
- 1.2 70hp (BZG)
- 1.4 75hp (BKY)
- 1.4 80hp (BUD)
- 1.4 85hp (BLM, AXU)
- 1.4 100hp (BBZ)
- 1.6 100hp (BAH)
- 1.6 105hp (BTS)
- 1.8 GTi 150 and 179hp (BJX, BBU)
Read the full description
ref: GD25608
In stock
3,65 € ATI
Woodruff valve key for Mazda MX5 NA, NB and NBFL
- MX5 NA 1.6
- MX5 NB and NBFL 1.6
For intake and exhaust valves
Two keys needed per valve
Original MAZDA part
Read the full description
ref: MX18415
Out of stock from our supplier
1,59 € ATI
Conical collet for valves with 3 notches and 6 mm stem,
For Saloon & Avant:
- 2.5 TDi 150hp (AFB, AKN)
- 2.5 TDi 180hp (AKE)
Read the full description
ref: AD25608
In stock
2,50 € ATI
FEBI valve half ring for Bmw E46 Series:
- Compatible with all Bmw 3 Series E46 petrol and diesel versions from 04/1997 to 09/2006 including Bmw 3 Series E46 M3 version.
Not suitable for Bmw 3 Series E46 316i and 318i engine code m43.
32 required for a 4-cylinder engine.
Need 48 for a 6-cylinder engine.
Sold individually.
Read the full description
ref: BD22828
In stock
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