1999 Audi A4

Bosch AL0707X alternator part shown on a textured surface. AI caption This is a close-up view of a vehicle's alternator, a crucial engine component. AI caption Close-up of a Bosch AL0707X part label, showing product codes and manufacturing numbers. AI caption A set of four connecting rods are displayed on a patterned fabric background, with a Supermotors.net watermark visible. AI caption Four engine connecting rods are shown, with visible part numbers on each piece. AI caption A set of four engine connecting rods are displayed on a textured background, casting shadows. AI caption Close-up of an engine connecting rod, showing stamped markings and wear on the bearing surface. AI caption This is an engine block, not a 1999 Audi A4. AI caption This is a close-up view of a used engine block, resting on a textured surface. AI caption This engine block shows signs of rust and wear, with visible casting marks and bolt holes. AI caption This is an engine block, not a complete vehicle. Year and make are not identifiable from the image. AI caption A bare engine block is shown, ready for rebuild or replacement. AI caption This engine block is shown from a side angle, resting on a patterned mat. AI caption This engine block shows various ports and casting marks, indicating its function as a core component of an engine. AI caption Engine block with casting marks and part numbers visible, likely from a Volkswagen Group vehicle. AI caption This is a close-up view of an engine block, showing the cylinder bores and a bolted-on bracket. AI caption Close-up of a used engine block part, showing signs of wear and rust. AI caption Close-up of an engine block part showing the Audi and Volkswagen logos, along with the part number 058 103 021 E. AI caption Engine block part with stamped identification number AEB9T918 and gasket visible. AI caption This is a close-up view of an engine cylinder block, showing the internal bores. AI caption Close-up of a cast metal engine part showing embossed Volkswagen and Audi logos, along with a part number. AI caption This engine block shows significant rust and wear, indicating it is a used part. AI caption This is a cast iron engine block with four cylinders. It appears to be rusty. AI caption Close-up view of a heavily corroded engine block, showing the internal cylinder bores. AI caption An oxygen sensor with its wiring harness and connector lies on a patterned cloth surface. AI caption Camshaft with Audi logo and "BDE 4 GERMANY" text, likely an engine part. AI caption This is a close-up of a metal gear part, likely from an engine or transmission. AI caption A close-up view of a metal part with embossed numbers and text is shown against a textured background. AI caption A starter motor part is shown in detail against a neutral background. AI caption Engine parts, including a tensioner and idler pulley, are shown laid out on a textured surface. AI caption Fuel rail assembly with injectors and regulator, likely from an Audi A4, but year is unconfirmed. AI caption A close-up view of a metal fuel rail, showing stamped part numbers and manufacturing details. AI caption Close-up of an engine sensor with a blue electrical connector and visible part number. AI caption Engine speed sensor with Audi rings logo and its corresponding connector, likely for a Volkswagen or Audi vehicle. AI caption This is a close-up view of an automotive sensor, likely for an engine or wheel speed application. AI caption A metal exhaust flex pipe with braided steel and two mounting flanges is shown against a patterned background. AI caption An oil dipstick with 'GERMANY 030 C' markings is shown against a textured background. AI caption Close-up of a part showing the numbers 053 115 611 C stamped into its surface. AI caption This is an Audi engine speed sensor, part number 058905161B, with other markings visible. AI caption This engine sensor part has part numbers stamped on its metal casing. AI caption