GKN Loebro 305123 CV Joint Boot Kit

Name: GKN Loebro 305123 CV Joint Boot Kit
Brand: GKN Loebro
SKU: JHGG-305123
Price: 29.73 USD
Availability: InStock

Rear Left Inner

⚙️ 88 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Audi, A4 Quattro, S4, and RS4

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Overview of GKN Loebro CV Joint Boot Kit 305123

The GKN Loebro CV Joint Boot Kit 305123 is designed specifically for Audi A4 Quattro, RS4, and S4 models. This kit features a durable rubber boot that protects the CV joint from dirt and moisture, ensuring reliable driveline performance.

Joint end inside diameter: 2.307 inches
Shaft end inside diameter: 0.866 inches
Single rib design for secure fit
Made from high-quality rubber material
Solid type boot, not split
Black color for standard OEM appearance
Non-vented boot design

Detailed Product Description

The GKN Loebro CV Joint Boot Kit 305123 is engineered to meet the precise specifications required for Audi A4 Quattro, RS4, and S4 vehicles. The boot’s joint end inside diameter of 2.307 inches and shaft end inside diameter of 0.866 inches ensure a proper seal around the CV joint and axle shaft. Constructed from durable rubber, this solid-type boot provides effective protection against contaminants and prevents grease leakage. The single rib design helps maintain a tight fit, reducing the risk of premature wear or failure. The black color matches original equipment standards, maintaining the vehicle’s factory appearance.

Applications and Problem Solving

Prevents dirt and debris from entering the CV joint
Protects against moisture intrusion that can cause corrosion
Maintains grease containment to ensure smooth joint operation
Replaces cracked or torn CV boots to avoid joint damage
Helps reduce vibration and noise caused by worn boots

Installation Notes and Tips

When installing the GKN Loebro CV Joint Boot Kit 305123 on Audi A4 Quattro, RS4, or S4 models, ensure the CV joint and shaft surfaces are clean and free of old grease or debris. Use appropriate clamps to secure the boot firmly in place. Avoid stretching the boot excessively during installation to prevent damage. It is recommended to inspect the CV joint for wear or damage before installing the new boot.

Quality Assurance and Warranty

GKN Loebro manufactures this CV Joint Boot Kit to meet OEM standards for fit and durability. The rubber material is selected for resistance to heat, oil, and environmental factors. While specific warranty details are not provided, GKN Loebro products typically come with manufacturer-backed quality assurance to support reliable performance in Audi A4 Quattro, RS4, and S4 vehicles.

Brand	GKN Loebro
Part Number	305123
Boot Color	black
Boot Material	Rubber
Joint End Inside Diameter	2.307
Rib Quantity	1
Shaft End Inside Diameter	0.866
Split Or Solid Type	Solid
Vented Boot	No

This part fits 88 vehicles. Search below:

Year	Make	Model	Body Type	Drive Type	Transmission	Liters	Cylinders	Position	Notes
2009	Audi	A4 Quattro	Convertible	AWD	Automatic	3.2L	V6	Rear Right Inner
2009	Audi	A4 Quattro	Convertible	AWD	Automatic	3.2L	V6	Rear Left Inner
2009	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Right Inner
2009	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Left Inner
2009	Audi	S4	Convertible	AWD		4.2L	V8	Rear Right Inner
2009	Audi	S4	Convertible	AWD		4.2L	V8	Rear Left Inner
2008	Audi	A4 Quattro	Wagon	AWD		3.2L	V6	Rear Right Inner
2008	Audi	A4 Quattro	Wagon	AWD		3.2L	V6	Rear Left Inner
2008	Audi	A4 Quattro	Wagon	AWD	Manual	3.2L	V6	Front Right Inner
2008	Audi	A4 Quattro	Wagon	AWD	Manual	3.2L	V6	Front Left Inner
2008	Audi	A4 Quattro	Sedan	AWD		3.2L	V6	Rear Right Inner
2008	Audi	A4 Quattro	Sedan	AWD		3.2L	V6	Rear Left Inner
2008	Audi	A4 Quattro	Sedan	AWD	Manual	3.2L	V6	Front Right Inner
2008	Audi	A4 Quattro	Sedan	AWD	Manual	3.2L	V6	Front Left Inner
2008	Audi	A4 Quattro	Convertible	AWD		3.2L	V6	Rear Right Inner
2008	Audi	A4 Quattro	Convertible	AWD		3.2L	V6	Rear Left Inner
2008	Audi	A4 Quattro	Wagon	AWD		2.0L	L4	Rear Right Inner
2008	Audi	A4 Quattro	Wagon	AWD		2.0L	L4	Rear Left Inner
2008	Audi	A4 Quattro	Sedan	AWD		2.0L	L4	Rear Right Inner
2008	Audi	A4 Quattro	Sedan	AWD		2.0L	L4	Rear Left Inner
2008	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Right Inner
2008	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Left Inner
2008	Audi	RS4	Sedan	AWD		4.2L	V8	Rear Right Inner	Fits vehicles up to June 2008.
2008	Audi	RS4	Sedan	AWD		4.2L	V8	Rear Left Inner	Fits vehicles up to June 2008.
2008	Audi	RS4	Convertible	AWD		4.2L	V8	Rear Right Inner
2008	Audi	RS4	Convertible	AWD		4.2L	V8	Rear Left Inner
2008	Audi	S4	Wagon	AWD		4.2L	V8	Rear Right Inner	Fits vehicles up to June 2008.
2008	Audi	S4	Wagon	AWD		4.2L	V8	Rear Left Inner	Fits vehicles up to June 2008.
2008	Audi	S4	Sedan	AWD		4.2L	V8	Rear Right Inner	Fits vehicles up to June 2008.
2008	Audi	S4	Sedan	AWD		4.2L	V8	Rear Left Inner	Fits vehicles up to June 2008.
2008	Audi	S4	Convertible	AWD		4.2L	V8	Rear Right Inner
2008	Audi	S4	Convertible	AWD		4.2L	V8	Rear Left Inner
2007	Audi	A4 Quattro	Wagon	AWD		3.2L	V6	Rear Right Inner
2007	Audi	A4 Quattro	Wagon	AWD		3.2L	V6	Rear Left Inner
2007	Audi	A4 Quattro	Wagon	AWD	Manual	3.2L	V6	Front Right Inner
2007	Audi	A4 Quattro	Wagon	AWD	Manual	3.2L	V6	Front Left Inner
2007	Audi	A4 Quattro	Sedan	AWD		3.2L	V6	Rear Right Inner
2007	Audi	A4 Quattro	Sedan	AWD		3.2L	V6	Rear Left Inner
2007	Audi	A4 Quattro	Sedan	AWD	Manual	3.2L	V6	Front Right Inner
2007	Audi	A4 Quattro	Sedan	AWD	Manual	3.2L	V6	Front Left Inner
2007	Audi	A4 Quattro	Convertible	AWD		3.2L	V6	Rear Right Inner
2007	Audi	A4 Quattro	Convertible	AWD		3.2L	V6	Rear Left Inner
2007	Audi	A4 Quattro	Wagon	AWD		2.0L	L4	Rear Right Inner
2007	Audi	A4 Quattro	Wagon	AWD		2.0L	L4	Rear Left Inner
2007	Audi	A4 Quattro	Sedan	AWD		2.0L	L4	Rear Right Inner
2007	Audi	A4 Quattro	Sedan	AWD		2.0L	L4	Rear Left Inner
2007	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Right Inner
2007	Audi	A4 Quattro	Convertible	AWD		2.0L	L4	Rear Left Inner
2007	Audi	RS4		AWD		4.2L	V8	Rear Right Inner
2007	Audi	RS4		AWD		4.2L	V8	Rear Left Inner
2007	Audi	S4	Wagon	AWD		4.2L	V8	Rear Right Inner
2007	Audi	S4	Wagon	AWD		4.2L	V8	Rear Left Inner
2007	Audi	S4	Sedan	AWD		4.2L	V8	Rear Right Inner
2007	Audi	S4	Sedan	AWD		4.2L	V8	Rear Left Inner
2007	Audi	S4	Convertible	AWD		4.2L	V8	Rear Right Inner
2007	Audi	S4	Convertible	AWD		4.2L	V8	Rear Left Inner
2006	Audi	A4 Quattro		AWD		3.2L	V6	Rear Right Inner
2006	Audi	A4 Quattro		AWD		3.2L	V6	Rear Left Inner
2006	Audi	A4 Quattro		AWD	Manual	3.2L	V6	Front Right Inner
2006	Audi	A4 Quattro		AWD	Manual	3.2L	V6	Front Left Inner
2006	Audi	A4 Quattro	Convertible	AWD		3.0L	V6	Rear Right Inner	Transmission shafts for rear axle with a diameter of 75.5 [1YF].
2006	Audi	A4 Quattro	Convertible	AWD		3.0L	V6	Rear Left Inner	Transmission shafts for rear axle with a diameter of 75.5 [1YF].
2006	Audi	A4 Quattro		AWD		2.0L	L4	Rear Right Inner
2006	Audi	A4 Quattro		AWD		2.0L	L4	Rear Left Inner
2006	Audi	S4		AWD		4.2L	V8	Rear Right Inner
2006	Audi	S4		AWD		4.2L	V8	Rear Left Inner
2005	Audi	A4 Quattro		AWD		3.2L	V6	Rear Right Inner
2005	Audi	A4 Quattro		AWD		3.2L	V6	Rear Left Inner
2005	Audi	A4 Quattro		AWD	Manual	3.2L	V6	Front Right Inner
2005	Audi	A4 Quattro		AWD	Manual	3.2L	V6	Front Left Inner
2005	Audi	A4 Quattro		AWD		3.0L	V6	Rear Inner
2005	Audi	A4 Quattro		AWD		2.0L	L4	Rear Right Inner
2005	Audi	A4 Quattro		AWD		2.0L	L4	Rear Left Inner
2005	Audi	A4 Quattro		AWD		1.8L	L4	Rear Right Inner	From vin 8E-3-134 001; From 08/2002; To 12/2004
2005	Audi	A4 Quattro		AWD		1.8L	L4	Rear Left Inner	From vin 8E-3-134 001; From 08/2002; To 12/2004
2005	Audi	S4		AWD		4.2L	V8	Rear Inner
2004	Audi	A4 Quattro		AWD		3.0L	V6	Rear Inner	Rubber CV joint boot kit with closure cap
2004	Audi	A4 Quattro		AWD		3.0L	V6	Front Inner	Rubber CV joint boot kit with closure cap
2004	Audi	A4 Quattro		AWD		1.8L	L4	Rear Right Inner	From vin 8E-3-134 001; From 08/2002; From Vin 8E-2-000 001; To 12/2004; To Vin 8E-5-400 000
2004	Audi	A4 Quattro		AWD		1.8L	L4	Rear Left Inner	From vin 8E-3-134 001; From 08/2002; From Vin 8E-2-000 001; To 12/2004; To Vin 8E-5-400 000
2004	Audi	S4		AWD		4.2L	V8	Rear Inner
2003	Audi	A4 Quattro		AWD		3.0L	V6	Rear Right Inner	From Vin 8E-2-000 001; To Vin 8E-5-400 000
2003	Audi	A4 Quattro		AWD		3.0L	V6	Rear Left Inner	From Vin 8E-2-000 001; To Vin 8E-5-400 000
2003	Audi	A4 Quattro		AWD	Manual	3.0L	V6	Front Right Inner
2003	Audi	A4 Quattro		AWD	Manual	3.0L	V6	Front Left Inner
2003	Audi	A4 Quattro		AWD		1.8L	L4	Rear Right Inner	From vin 8E-3-134 001; From 08/2002; From Vin 8E-2-000 001; To 12/2004; To Vin 8E-5-400 000
2003	Audi	A4 Quattro		AWD		1.8L	L4	Rear Left Inner	From vin 8E-3-134 001; From 08/2002; From Vin 8E-2-000 001; To 12/2004; To Vin 8E-5-400 000
2002	Audi	A4 Quattro		AWD		3.0L	V6	Rear Inner	Rubber CV joint boot kit with closure cap

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8E0498201A8E0498201F

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.