Dorman 03413HP exhaust manifold hardware kit for the 1999-2001 Chevrolet Silverado 1500 V6 4.3L, the 1999-2013 Silverado 1500 V8 4.8L, the 1999-2021 Silverado 1500 V8 5.3L, the 2003-2013 Silverado 1500 V8 6.0L, the 2009-2018 Silverado 1500 V8 6.2L, the 2014-2021 Silverado 1500 V6 4.3L, the 2021 Silverado 1500 V8 6.2L and other vehicles replaces the bolts that secure the exhaust manifold to the cylinder head. The factory-style bolts on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion.
- Part of the Dorman OE FIX hardware line
- Twelve M8-1.25 x 30 mm bolts
- 100 percent stainless steel for heat and corrosion resistance
- Contains the bolts required to install one exhaust manifold
Quick facts
- Part: Dorman 03413HP exhaust manifold hardware kit
- Fits: the 1999-2001 Chevrolet Silverado 1500 V6 4.3L, the 1999-2013 Silverado 1500 V8 4.8L, the 1999-2021 Silverado 1500 V8 5.3L, the 2003-2013 Silverado 1500 V8 6.0L, the 2009-2018 Silverado 1500 V8 6.2L, the 2014-2021 Silverado 1500 V6 4.3L, the 2021 Silverado 1500 V8 6.2L and other vehicles
- Material: Stainless steel
- Condition: New
A cracked or broken manifold bolt can show up as a ticking exhaust leak sound or as a bolt that is visibly broken or missing. Before you replace these bolts, rule out a leaking manifold gasket or a cracked manifold, since either can make a similar noise.
Fits
The 1999-2001 GMC Sierra 1500 V6 4.3L, the 1999-2013 Sierra 1500 V8 4.8L, the 1999-2021 Sierra 1500 V8 5.3L, the 2001-2013 Sierra 1500 V8 6.0L, the 2007-2018 Sierra 1500 V8 6.2L, the 2014-2021 Sierra 1500 V6 4.3L, the 2021 Sierra 1500 V8 6.2L, the 2018-2019 Chevrolet Equinox 4-cylinder 1.6L and the 2018-2020 Equinox 4-cylinder 2.0L all take this kit, one each, along with many other vehicles.
Specifications
Fit and size
- Quantity per application: 1
- Pieces: 12 bolts
- Thread size: M8-1.25
- Bolt length: 30 mm
Build and materials
- Material: Stainless steel
- Bolt grade: 10.9
- Condition: New
- Country of origin: India
In the box
Twelve exhaust manifold bolts, enough for one exhaust manifold. Nuts, studs, washers and springs are not included, and any old ones you have may not be reusable.
Interchange: 6503131 · 6506775AA · 6507423AA · 6507938AA · 11518860 · 11546600 · 11609481
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
6503131, 6506775AA, 6507423AA, 6507938AA, 11518860, 11546600, 11609481
Frequently Asked Questions
Will the Dorman 03413HP bolts fit a 2018-2020 Chevrolet Equinox 4-cylinder 2.0L?
Yes. The Dorman 03413HP is listed for the 2018-2020 Chevrolet Equinox 4-cylinder 2.0L. For other years and engines, find your car in the "Vehicles it fits" section on this page.
What comes in the Dorman 03413HP kit, and are nuts or washers included?
The Dorman 03413HP kit has 12 exhaust manifold bolts, enough for one manifold. Nuts, studs, washers and springs are not included.
What size and grade are the bolts in this exhaust manifold hardware kit?
Each bolt is M8-1.25 x 30 mm, grade 10.9, made of stainless steel.
How can I tell if my exhaust manifold bolts are cracked or broken?
Signs can include a ticking exhaust leak sound or a bolt that is visibly broken or missing. Look only with the engine off and cool; a shop can confirm an exhaust leak.
Does the Dorman 03413HP replace number 6507423AA?
Yes. 6507423AA is one of the numbers this kit replaces, along with 6503131, 6506775AA and 11518860.
