DNJ
DNJ 2012 Audi R8 4.2L Cylinder Head Bolt
DNJ 2012 Audi R8 4.2L Cylinder Head Bolt
Part number: HBK4423_39
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- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Audi R8 4.2LFitment notes & questions
2012 Audi R8 4.2L Cylinder Head Bolt from DNJ, listed for 2012 Audi R8 4 with the 4.2L engine. Fresh bolts are cheap insurance on any job that takes the cylinder head off.
Quick facts
- Brand: DNJ
- Part type: Head bolt set
- Listed for: 2012 Audi R8 4
- Engine: 4.2L
- Engine code: BVJ 32V DOHC
- Part number: HBK4423_39
Listed fitment
- [2007-2015] AUDI, VOLKS / V10, V8 / 4.2L, 5.2L DOHC 32V, 40V [(BAR, BNS, BSM, BXA, BUJ, CMPA, CTPA, CTYA, BVJ, BVJ, CDRA, BYH, CAUA, CNDA)]
Good to know
- Notes: One Set Services Complete Engine
- Warranty terms: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
Tip: Clean the threads in the block, follow the torque sequence and angle steps for your engine, and do not reuse stretch bolts.

About this head bolt set for the Audi R8 4.2L
Fresh bolts are cheap insurance on any job that takes the cylinder head off.
Fitment notes
- Listed for: Audi R8 4.2L.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Head gasket. Bolts and gasket go on together.
- Thread chaser. Clean block threads give accurate torque.
More for your car: Audi Parts · Engine
Questions about Audi R8 4.2L head bolt set
Will this fit my Audi R8 4.2L?
Can I reuse my old head bolts?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.