Air & Fuel Delivery
More informationAt the Global Parts automotive store, we offer a wide selection of original used car parts, including intake and fuel systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The intake and fuel systems we offer undergo quality control so that you can be sure that you are receiving a top-class product.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. A2045283282
Mercedes W212 Air Intake Hose OM651 Intercooler Charge Pipe Diesel A2045283282
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A1695011882
Mercedes-Benz W169 W245 Radiator Expansion Tank Top Coolant Hose A1695011882
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510704987
Mercedes W204 W212 W906 Diesel OM651 Fuel Injector A6510704987
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A0061533028
Mercedes W906 Diesel Engine Oil Level Sensor Control Unit A0061533028
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6070900342-1
Mercedes W176 W246 OM607 Intercooler Pipe Diesel Air Intake Pipe A6070900342
PLN 436.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A9075011200
Mercedes W910 Bleed Line Pipe Cable Hose A9075011200
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2740903880-1
Turbocharger Mercedes W204 C238 X253 W213 M274 Vacumm Box Turbo A2740903880
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510904000
Air Duct Mercedes W204 W906 OM651 Pipe Intake Hose Diesel A6510904000
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6421500394
Mercedes W204 W211 Air Heater Flap Motor Actuator Stepper OM642 A6421500394
PLN 379.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A4475280582
Mercedes Vito W447 Turbo Intercooler Pipe Hose A4475280582
PLN 113.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2740700501
Mercedes W204 W205 W212 W213 C207 High Pressure Petrol Fuel Pump A2740700501
PLN 284.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2045282982
Mercedes W204 W212 Turbo Intercooler Hose Pipe OM642 Diesel A2045282982
PLN 75.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2125011882
Coolant Hose Mercedes E300 W212 Diesel OM651 Radiator Hose Right To Engine
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6541800315
Mercedes W213 C238 OM654 Hydraulic Directional Oil Control Valve A6541800315
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510903937
Mercedes R172 Diesel Air Intake Duct Hose Pipe A6510903937
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420960100
Turbocharger Bracket Mercedes W204 W212 OM642 Turbo Holder Mount A6420961445
PLN 161.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2740701095-1
Mercedes W205 M274 Petrol Fuel Injectors Injection Rail Line Pipe A2740701095
PLN 1,044.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. 223657458R
MAP Pressure Sensor Mercedes W176 Renault Trafic Air Intake Manifold 223657458R
PLN 66.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510903580
Turbocharger Turbo Mercedes Sprinter W204 W212 OM651 Diesel Charger A6510903580
PLN 759.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420902737-1
Mercedes W164 W251 W639 Intake Manifold Charge Air Line Left N/S A6420902737
PLN 332.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2600940100
Mercedes W177 M260 Air Intake Pipe Intercooler Charge Hose A2600940100
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2710900829
Air Intake Hose Mercedes W203 W204 M271 Intercooler Charge Pipe A2710900829
PLN 66.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2102670232
Mercedes-Benz E S W210 W220 Automatic Transmission Gear Linkage Rod A2102670232
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A0004900300
Mercedes Sprinter W910 OM651 Adblue Injector Fluid Injection Nozzle A0004900300
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A0065422518
Mercedes W207 W212 Brake Unit Pressure Sensor A0065422518
PLN 65.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6111800120
Mercedes-Benz C-Class W203 OM 611 612 Turbo Oil Feed Pipe Line A6111800120
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2661410201-1
Mercedes W169 W245 M266 Petrol Intake Manifold Swirl Flap Actuator 2900311959
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6070700087
Fuel Injector Mercedes W176 W246 Diesel OM607 Common Rail 166006212R
PLN 474.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2114282100
Mercedes-Benz E-Class W211 Hose Pipe Line Pump A2114282100
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6080702200-1
Mercedes V177 OM608 Fuel Pressure Injector Supply Pipe Hose Line Set A6080702200
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. a2700900577
Mercedes W176 Turbocharger Turbo Oil Return Pipe Line Hose A2700900577
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2660900101
Mercedes-Benz A B Class W169 W245 Air Filter Housing Box A2660900101
PLN 56.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2702030800-1
Mercedes W176 M270 Coolant Hose Turbocharger Cooling Pipe Line A2702032702
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510702601
Mercedes W639 W906 OM651 Fuel Pump Diesel High Pressure A6510702601
PLN 617.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2702030800
Mercedes W176 M270 Coolant Hose Turbocharger Cooling Pipe Line A2702030800
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2720700335
High Pressure Hose Mercedes W207 C219 M272 Fuel Injection Pipe Line A2720700335
PLN 379.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510905280-2
Mercedes Sprinter W906 OM651 Diesel Turbocharger Turbo Charger Pipe A6510905280
PLN 113.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420740284
Valve Mercedes W204 Diesel Engine OM642 Fuel Pressure Regulator A6420740284
PLN 331.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6421400087
Mercedes Engine Air Intake Resonator W221 OM642 Diesel Pipe Hose
PLN 37.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6400900407
Mercedes W169 W245 OM640 CDI Diesel Air Flow Sensor Mass Meter A6400900407
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2640180500
Mercedes W205 C200 Petrol M264 Bleed Line Engine Breather Vent Hose A2640180500
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6400902680
Turbocharger Mercedes W169 W245 OM640 Diesel Complete Turbo A6400901580
PLN 379.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6400901237
Intake Manifold Mercedes W169 W245 OM640 Diesel Engine Inlet A6400901237
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2048302296
Mercedes-Benz C W204 Engine Radiator Water Coolant Hose Pipe A2048302296
PLN 66.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420901642
Turbo Pipe Mercedes W212 W221 OM642 Line Duct Air Flow Mass Meter A6420901642
PLN 569.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2600180600
Mercedes W177 M260 Petrol Engine Purge Line Pipe Tube Hose A2600180600
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510901741
Turbo Charger Mount Mercedes W204 W212 OM651 Turbo Support Bracket A6510901741
PLN 66.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510702387
Mercedes W176 W204 W212 W246 Diesel OM651 Fuel Injector A6510702387
PLN 379.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2054700426
Mercedes W205 Diesel Fuel Tank Filler Neck Pipe Hose Line A2054700426
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2820181300
Mercedes W177 1.3 M282 Petrol Engine Vacuum Pipe Hose Line A2820181300
PLN 123.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2660180025
Mercedes W169 M266 Intake Manifold Bracket Mount Holder Trim Cover A2660180025
PLN 85.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A1561530028
Fuel Pressure Sensor Mercedes W204 C63 AMG Petrol M156 Fuel Unit A1561530028
PLN 75.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2045012225
Water Pipe Mercedes W204 W207 OM651 Radiator Engine Coolant Hose A2045012225
PLN 70.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A9104750400
Mercedes Sprinter W910 Fuel Tank Tension Strap Holder Bracket Mount A9104750400
PLN 75.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6070700332-1
Fuel Pipe Mercedes W176 OM607 Return Line Hose Injector A6070700332
PLN 161.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510901707
Mercedes W166 OM651 Diesel Turbo Hose Pipe Tube Line A6510901707
PLN 284.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2035282882
Mercedes W203 Diesel Turbo Air Flow Intercooler Hose Pipe A2035282882
PLN 47.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2721421083
Air Intake Hose Mercedes W203 W204 W212 M272 Air Pipe Duct A2721421083
PLN 47.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2820900005
Vacuum Pump Mercedes W177 C118 CLA 200 Petrol OM282.914 A2820900005
PLN 108.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2045000100
Mercedes W204 W212 Intercooler Charge Air Cooler Radiator OM651 A2045000100
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A4475281224-1
Mercedes W447 OM651 Diesel Engine Air Intake Pipe Hose Line A4475281224
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. 144607512R-1
Mercedes W177 Diesel OM608 Intercooler Pipe Hose Charge Air Hose 144607512R
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2760903801
Mercedes W205 W212 Petrol OM276 Air Filter Housing Silencer Right A2760903801
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2702260485
Mercedes W176 W246 M270 Petrol Injection Fuel Pump Cover Insulation A2702260485
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2038201997-4
Mercedes-Benz CLK-Class C209 4 Fuel Flap Release Actuator Motor A2038201997
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510900148-1
Mercedes W204 W207 W639 W906 Air Flow Mass Meter Sensor A6510900148
PLN 113.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6080900037
Mercedes W177 OM608 Diesel Engine Air Intake Pipe Clean AIr Inlet A6080900037
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6110160630
Mercedes C E Class W202 W203 W211 Breather Pipe Air Intake Sensor Diesel
PLN 118.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6070900237
Mercedes W176 OM607 EGR Pipe Diesel A6070900237 744818
PLN 47.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6460701032
Mercedes W906 OM646 Fuel Injector Supply Lines Tank Feed Pipes A6460701032
PLN 113.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2054708300
Mercedes W205 M274 Fuel Tank Petrol Complete Tank Reservoir A2054708300
PLN 1,424.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510701532-1
Fuel Feed Line Mercedes W204 W212 W639 W906 OM651 Return Pipe Hose A6510701532
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2702001600
Bleed Line Mercedes W204 W212 Coolant Expansion Tank Shut Off Valve A2702001600
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420904301
Mercedes GL X166 Damping Passenger Clean Air Cleaner Box A6420904301
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6400100666
Mercedes W169 W245 OM640 Diesel Engine Dipstick Oil Guide Tube A6400100666
PLN 75.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2740700995
Mercedes W205 M274 Petrol Fuel Rail Injection Injector A2740700995
PLN 275.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2054301929
Mercedes C205 OM654 Diesel Vacuum Tube Hose Line Pipe A2054301929
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2095280307
Mercedes W209 Air Intake Hose Duct Pipe Tube Part Left N/S A2095280307
PLN 66.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6540702200
Mercedes W213 C238 OM654 Pressure Pump Fuel Return Pipe Hose A6540702200
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2701800901
Mercedes W176 W204 C207 W212 W246 M270 Petrol Engine Vacuum Pump A2701800901
PLN 55.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2742030200
Mercedes C200 W205 Petrol M274 Turbocharger Coolant Pipe A2742030200
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2138302500
Intake Duct Mercedes W213 Air Intake Box Channel Pipe Hose A2138302500
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A9075402405
Mercedes W907 Low Pressure Pump Fuel Line Electrical Wiring Harness A9075402405
PLN 237.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2516804218
AdBlue Filler Cap Mercedes W164 W212 W221 W251 Tank Cover A2516804218
PLN 42.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2710901601-1
Mercedes SLK R172 W204 W212 M271 Air Intake Filter Box Lower Housing A2710901601
PLN 123.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2044761026
Fuel Hose Mercedes W204 S204 W212 Feed Line Supply Pipe A2044761026
PLN 28.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2600700500
Mercedes W177 M260 Petrol Fuel Pump High Pressure Injection A2600700500
PLN 712.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2055012891-1
Coolant Hose Mercedes W205 Diesel M626 OM651 AdBlue Cooling Feed Return Line
PLN 142.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6540900070
Mercedes W213 Diesel Engine Throttle Body Valve Flap A6540900070
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6420701201-1
Mercedes W207 W212 OM642 Diesel Engine High Pressure Fuel Pump A6420701201
PLN 332.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510900942
Mercedes W166 OM651 Engine Charged Air Line Hose Pipe Tube A6510900942
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2740182100
Engine Ventilation Line Mercedes X204 W212 Petrol M274 Breather Vent A2740182100
PLN 189.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510702987
Mercedes W176 W204 W212 W246 Diesel Engine OM651 Fuel Injector A6510702987
PLN 398.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2781530728
Mercedes W246 W221 W204 Fuel Pressure Sensor Fuel Temerature Sensor A2781530728
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A6510900586
Turbocharger Mercedes W176 W246 OM651 Diesel Turbo Charger Unit A6510900586
PLN 949.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A2054920859
Exhaust Hose Mercedes W205 X253 Diesel OM651 Exhaust Gas Line A2054920859
PLN 75.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A6071800000
Oil Feed Pipe Mercedes W176 W246 OM607 Turbocharger Oil Line A6071800000
PLN 61.95
Delivery - Tue, Jul 15
If paid before 14:00
Part no. A2761400844
Mercedes R172 W212 W221 W251 W222 W204 Air Intake Manifold Bridge A2761400844
PLN 94.95
Free delivery - Tue, Jul 15
If paid before 14:00
Part no. A1330900541
Mercedes W176 M133 Turbocharger Mount Bracket Carrier A1330900541
PLN 569.95
Free delivery - Tue, Jul 15
If paid before 14:00
Comprehensive offer of used intake and fuel system parts – air filters, throttles, fuel pumps, injectors, and intake manifolds
What components make up the intake and fuel system?
Have you ever wondered what determines the performance and efficiency of your engine? The intake and fuel systems play a key role in ensuring the proper mixing of air and fuel, which translates into power, economy and ecology. In the Global Parts automotive store you will find a wide range of used car parts , such as air filters, **throttle valves , fuel pumps and fuel injectors . We offer parts for intake and fuel systems for BMW , Audi, Volkswagen , Mercedes and Mini, adapted to various models and needs.
How does the intake and fuel system work?
The intake and fuel systems are systems that work together to deliver a mixture of air and fuel to the combustion chamber. Each component of this system has a specific task:
- Fuel Pumps and Level Sensors – They are responsible for the correct supply of fuel to the engine and controlling its amount in the tank.
- Fuel tanks and filler pipes – They store fuel and allow it to be refueled safely.
- Air and fuel intake sensors – They monitor the amount of air and fuel supplied, optimizing engine operation.
- Throttles – Regulate air flow to the engine, affecting its performance and response to the gas pedal.
- Vacuum pumps – They support the operation of vacuum systems such as brakes and control valves.
- Air filters – They protect the engine against contamination by ensuring clean air in the combustion process.
- Fuel filters – Removes contaminants from fuel, protecting the injection system and fuel pump.
- Intake manifolds – Distributes air evenly into the cylinders, increasing combustion efficiency.
- Air filter housings – Protect air filters from damage and ensure their optimal operation.
- Cables, hoses and pipes – They transport fuel and air between individual system elements.
- Turbochargers, compressors and coolers – They increase the amount of air supplied to the engine, improving its performance.
- Injection systems and parts – They are responsible for precise fuel dosing to the cylinders, which affects combustion and engine efficiency.
- Fuel filler flaps and caps – They ensure the tightness of the refueling system and protection against leaks. Well-maintained intake and fuel system components not only impact performance, but also lower fuel consumption and reduce exhaust emissions.
Why is it worth taking care of the intake and fuel systems?
Regular maintenance and replacement of intake and fuel system components is essential for the proper functioning of every vehicle. Contamination or wear of parts can lead to:
- Reduce engine power.
- Higher fuel consumption.
- Damage to other components, such as turbochargers or catalytic converters. By choosing genuine used car parts , available at Global Parts, you can save on costs without compromising on quality and durability. In our offer you will find parts for intake systems that provide excellent engine performance.
How to choose the right intake and fuel system parts?
When deciding to purchase parts, pay attention to a few key aspects:
- Vehicle Model Matching – Every make and model has its own unique technical requirements. At Global Parts you will find parts tailored to your car, whether it is a BMW , Audi, Volkswagen , Mercedes or Mini .
- Technical condition – Check if components such as fuel lines , fuel pumps or injectors , are free from damage and ready for further use.
- Material of manufacture – For example, intake manifolds can be made of aluminum or plastic. Choosing the right material affects the durability and efficiency of work.
Why choose used parts for the intake and fuel system?
Used car parts are a great solution that allows you to combine high quality with savings. At Global Parts we offer a wide selection of components such as air filters, throttle valves or fuel injectors that have undergone detailed quality checks. Why is it worth choosing such a solution?
- Lower costs – Used components, such as fuel pumps or intake manifolds, are often much cheaper than new ones, and their quality remains high.
- Ecology – Choosing used car parts, you support recycling and reduce the amount of automotive waste.
- Wide availability – We offer parts for all the most popular brands, allowing for easy fit to your vehicle.
How to take care of the intake and fuel system?
To keep your engine running efficiently, regularly check the condition of your intake and fuel systems . Here are some tips:
- Change air filters regularly and check intake pipes for leaks.
- Keep your fuel injectors clean – contamination can reduce their efficiency.
- Check the condition of the fuel pump and lines to avoid problems with engine power. In case of failure or wear of components, you will find the right used car parts at Global Parts , which will help restore your vehicle to full working order.
Summary: Intake and Fuel System at Global Parts Automotive Store
The intake and fuel system is the basis for the proper functioning of every engine. By choosing the right parts, such as throttle valves, air filters, fuel injectors or fuel pumps, you can take care of your car's performance, reduce fuel consumption and limit exhaust emissions. The Global Parts automotive store cordially invites you to familiarize yourself with our wide range of original used car parts . Regardless of whether you are looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini and others - you will find them with us at competitive prices. We make every effort to ensure that every customer finds the right parts for their car/car with us, and in case of any questions or doubts related to the selection of the right components, we will be happy to help! Please contact us - we are here to help you! For more information and curiosities, we also invite you to our automotive blog .