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🔧 Bolt up your ride with confidence—because every detail counts!
The 81101 Motor Mount Bolt Kit by Dorman is a Grade 8 stainless steel replacement bolt designed for select Chevrolet and GMC vehicles. Featuring a machined hex head and fully threaded design, it offers OEM-level fit and durability with a maximum shear strength of 550 MPa. Backed by a limited lifetime warranty and over 100 years of automotive expertise, this bolt ensures reliable engine mounting and long service life.
| ASIN | B000COBCJ2 |
| Best Sellers Rank | #26,715 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Bolts |
| Brand | Dorman |
| Compatible Groove Diameter | 1.75 Inches |
| Customer Reviews | 4.5 out of 5 stars 509 Reviews |
| Drive System | Rear-Wheel Drive |
| Exterior Finish | Machined |
| Fastener Size | 1.75 inches |
| Fastener Type | Hexagon Bolt |
| Finish Types | Matte |
| Global Trade Identification Number | 00037495811019 |
| Grade Rating | Grade 8 |
| Head Style | Hexagon |
| Head Type | Hex |
| Included Components | Dorman 81101: Motor Mount Bolt Kit - Grade 8 |
| Item Dimensions | 8.25 x 1.75 x 1.1 inches |
| Item Hardness | Grade 8 |
| Item Type Name | Dorman 81101: Motor Mount Bolt Kit - Grade 8 |
| Item Weight | 0.28 Pounds |
| Manufacturer | Dorman Products |
| Manufacturer Grade | Grade 8 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Shear Strength | 550 MPa |
| Metal Type | Stainless Steel |
| Model | 81101 |
| Number Of Items | 1 |
| Number of Pieces | 1 |
| Part Number | 81101 |
| Screw Head Style | Hexagon |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | 1 Count (Pack of 1) |
| Thread Class | 3A |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/8"-16 UNC |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 037495811019 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime Warranty |
G**R
Good quality
Was the correct size i needed just haven't gotten them installed yet
V**7
Worked for OBS big block
Worked like a charm for big block Chevy into a 1995 C1500 - should work for all OBS big blocks using factory motor mounts. Note that the 4.3 V6 mounts use shorter bolts.
J**R
Fit clam shell 5.3 ls swap.
Work great for my ls swapped 3rd gen camaro with clam shells motor mounts.
P**O
⭐️⭐️⭐️⭐️⭐️
Amazing product and excellent quality.
J**S
better than ARP's ridiculous prices
To long for sbc mounts, but can add a spacer (7/16 to 1/2" i.d. Tube).
G**W
These fit my 85 S10 with the 2.8 V-6 perfectly!
These fit my 85 S10 with the 2.8 V-6 perfectly even though the Amazon Parts Advisor said they will not fit. They do fit, perfectly! Just enough threads to tighten down fully! Yes I was at the last thread, but they work great and it's a nice fit, I even torqued to spec. Thanks once again Dorman! Great value for a really good quality part.
F**D
GM Motor mount bolts
They fit like the OEM bolts
J**S
Worked for my clam shell type motor mounts for g body(Gen 1 engine)
What is needed for Chevy clam shell type for a v8 motor mount for my g body.
C**Y
Work on my 1989 gmc sierra
Worked on my 1989 gmc sierra
B**Y
Bolts
As described
B**M
As described
Exactly what I ordered
B**I
Le rapport qualite-prix
Bonjour, l'item a ete livre dans les temps devant ma porte. Merci et bonne fin de journee
A**R
Missing Bolts
Be careful. This should up and no bolts. Right on ???????
Trustpilot
1 month ago
3 weeks ago