PRODUCT DETAILS
Liftgate hex nut, 5/16-18, serrated. This is an OEM product made by Waltco Liftgate.
NEED ASSISTANCE?
Have your liftgate serial number ready for faster assistance. Where to find it
MODELS USING THIS PART
Note
This part appears in the following parts manuals. Always verify compatibility with your specific liftgate model and serial number before ordering.
Find your model and serial numberFound in
WALTCO WDL SERIES (MODELS 311 326, 401 412)
pre-2000WALTCO MDR SERIES (MODELS 330 336, 390 399)
pre-2000WALTCO C SERIES
3/2011WALTCO RGL / RBGL SERIES (MODELS 352 356, 363, 364, 372 376, 382 386)
pre-2000WALTCO F SERIES & FW SERIES (MODELS 202 204, 207, 208, 207R, 208R)
pre-2000WALTCO FSL SERIES (MODELS 211 215)
pre-2000WALTCO MDV
4/2025WALTCO HLF
4/2025WALTCO GT SERIES & DGS SERIES (MODELS 275 278)
pre-2000WALTCO EZL SERIES (MODELS 235/236)
pre-2000WALTCO 1090 SERIES & MD SERIES (MODELS 102 106, 111, 112)
pre-2000WALTCO 1290 SERIES/1291 SERIES (MODELS 301/302)
unknownWALTCO K SERIES (MODELS 121/122)
pre-2000WALTCO GTSL
11/2016WALTCO GT
9/2015WALTCO EM SERIES / EMTC SERIES (MODELS 264/265)
pre-2000WALTCO LPF SERIES (MODELS 225/226, 275 278)
pre-2000WALTCO C SERIES (MODELS 221/222)
pre-2000WALTCO E SERIES / E RM SERIES (MODELS 262/263)
pre-2000SHIPPING AND RETURNS
Shipping Information
Shipping timelines, transit options, and exceptions can vary by part and location. Please review our official policy page for the most current shipping and return details.
View Shipping PolicyReturn Policy
Return eligibility, time windows, and any applicable fees are outlined on our policy page. Policy terms may be updated there, so please refer to that page before placing your order.
View Return PolicyReference Notice: Manual links are provided for reference only. If you have any doubt, contact us. We’re happy to verify parts and help you purchase with confidence.
75085003 is found in 60 OEM diagram references across 15 Waltco Liftgate manuals.
Waltco C-Series Parts Manual
3/2011| Section | Item # | Pages | Link |
|---|---|---|---|
|
c 15 c 20 mount frame assembly
|
8 |
Diagram p11
Table p11
|
Open diagram View |
Waltco RGL / RBGL-Series (Models 352-356, 363, 364, 372-376, 382-386) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
dual pump hydraulic and electrical layout
|
24 |
Diagram p73
Table p73
|
Open diagram View |
|
dual pump hydraulic and electrical layout
|
24 |
Diagram p76
Table p76
|
Open diagram View |
|
dual pump hydraulic and electrical layout built from 6 05
|
24 |
Diagram p78
Table p78
|
Open diagram View |
|
single pump and single pump w hand pump hydraulic and electrical layout
|
22 |
Diagram p72
Table p72
|
Open diagram View |
|
single pump and single pump w hand pump hydraulic and electrical layout
|
22 |
Diagram p75
Table p75
|
Open diagram View |
|
single pump hydraulic and electrical layout
|
17 |
Diagram p77
Table p77
|
Open diagram View |
|
single pump hydraulic and electrical layout built 4 05 thru 6 05
|
17 |
Diagram p77
Table p77
|
Open diagram View |
|
single pump hydraulic and electrical layout built from 6 05
|
22 |
Diagram p79
Table p79
|
Open diagram View |
Waltco F-Series & FW-Series (Models 202-204, 207, 208, 207R, 208R) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
f 20 f 30 mount frame assembly
|
16 |
Diagram p16
Table p16
|
Open diagram View |
|
mount frame assembly
|
19 |
Diagram p17
Table p17
|
Open diagram View |
|
mount frame assembly built 1 00 thru 3 03
|
19 |
Diagram p18
Table p18
|
Open diagram View |
|
mount frame assembly built 3 03 thru 5 03
|
19 |
Diagram p19
Table p19
|
Open diagram View |
|
mount frame assembly built from 3 96
|
18 |
Diagram p21
Table p21
|
Open diagram View |
|
mount frame assembly built from 5 03
|
19 |
Diagram p20
Table p20
|
Open diagram View |
|
mount frame assembly built from 5 03
|
34 |
Diagram p20
Table p20
|
Open diagram View |
Waltco MDV Parts Manual
4/2025| Section | Item # | Pages | Link |
|---|---|---|---|
|
heavy style aux battery box
|
16 |
Diagram p21
Table p21
|
Open diagram View |
Waltco HLF Parts Manual
4/2025| Section | Item # | Pages | Link |
|---|---|---|---|
|
heavy style aux battery box
|
16 |
Diagram p26
Table p26
|
Open diagram View |
|
hlf mount frame assy 25 30
|
47 |
Diagram p10
Table p10
|
Open diagram View |
|
hlf mount frame assy 40 50 legacy 40 50 certified underride
|
47 |
Diagram p12
Table p12
|
Open diagram View |
|
hlf mount frame assy 40 non underride style a
|
48 |
Diagram p11
Table p11
|
Open diagram View |
Waltco GT-Series & DGS-Series (Models 275-278) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydrauli and electric layout
|
11 |
Diagram p41
Table p41
|
Open diagram View |
|
hydraulic and electric layout
|
11 |
Diagram p35
Table p35
|
Open diagram View |
|
hydraulic and electric layout built 6 05 thru 1 09
|
11 |
Diagram p40
Table p40
|
Open diagram View |
|
hydraulic and electric layout built from 12 09
|
11 |
Diagram p36
Table p36
|
Open diagram View |
|
hydraulic and electrical layout
|
24 |
Diagram p42
Table p42
|
Open diagram View |
|
hydraulic and electrical layout built 12 05 thru 11 08
|
11 |
Diagram p34
Table p34
|
Open diagram View |
|
mount frame built from 9 10
|
33 |
Diagram p32
Table p32
|
Open diagram View |
|
platform built from 1 10
|
54 |
Diagram p14
Table p14
|
Open diagram View |
|
pump box
|
13 |
Diagram p37
Table p37
|
Open diagram View |
|
pump box
|
21 |
Diagram p43
Table p43
|
Open diagram View |
|
pump box built 1 09 thru 9 10
|
13 |
Diagram p45
Table p45
|
Open diagram View |
|
pump box built 6 05 thru 1 09
|
13 |
Diagram p44
Table p44
|
Open diagram View |
|
pump box built from 11 08
|
13 |
Diagram p38
Table p38
|
Open diagram View |
|
pump box built from 9 10
|
11 |
Diagram p46
Table p46
|
Open diagram View |
|
track frame
|
34 |
Diagram p20
Table p20
|
Open diagram View |
|
track frame built 1 09 thru 9 10
|
34 |
Diagram p24
Table p24
|
Open diagram View |
|
track frame built 6 05 thru 1 09
|
34 |
Diagram p23
Table p23
|
Open diagram View |
|
track frame built from 1 10
|
26 |
Diagram p21
Table p21
|
Open diagram View |
|
track frame built from 9 10
|
30 |
Diagram p25
Table p25
|
Open diagram View |
Waltco EZL-Series (Models 235/236) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydraulic assembly gravity down
|
27 |
Diagram p13
Table p13
|
Open diagram View |
|
hydraulic assembly power down
|
28 |
Diagram p14
Table p14
|
Open diagram View |
Waltco 1090-Series & MD-Series (Models 102-106, 111, 112) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydraulic layout
|
17 |
Diagram p31
Table p31
|
Open diagram View |
|
hydraulic layout built from 4 10
|
17 |
Diagram p32
Table p32
|
Open diagram View |
Waltco 1290-Series/1291-Series (Models 301/302) Parts Manual
unknown| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydraulic layout built from 5 06 thru 6 10
|
17 |
Diagram p11
Table p11
|
Open diagram View |
|
hydraulic layout built from 6 10
|
17 |
Diagram p12
Table p12
|
Open diagram View |
Waltco K-Series (Models 121/122) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
hydraulic layout built from 5 10
|
15 |
Diagram p16
Table p16
|
Open diagram View |
|
hydraulic layout built from 7 04 thru 5 10
|
15 |
Diagram p15
Table p15
|
Open diagram View |
Waltco GTSL Parts Manual
11/2016| Section | Item # | Pages | Link |
|---|---|---|---|
|
mount frame
|
26 |
Diagram p13
Table p13
|
Open diagram View |
Waltco GT Parts Manual
9/2015| Section | Item # | Pages | Link |
|---|---|---|---|
|
mount frame
|
26 |
Diagram p13
Table p13
|
Open diagram View |
Waltco EM-Series / EMTC-Series (Models 264/265) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
mount frame assembly
|
3 |
Diagram p12
Table p12
|
Open diagram View |
Waltco LPF-Series (Models 225/226, 275-278) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
mount frame assembly
|
20 |
Diagram p18
Table p18
|
Open diagram View |
|
mount frame assembly
|
4C |
Diagram p18
Table p18
|
Open diagram View |
|
mount frame assembly built 10 08 thru 1 09
|
4C |
Diagram p22
Table p22
|
Open diagram View |
|
mount frame assembly built 12 07 thru 10 08
|
4C |
Diagram p21
Table p21
|
Open diagram View |
|
mount frame assembly built 1 09 thru 6 09
|
4C |
Diagram p23
Table p23
|
Open diagram View |
|
mount frame assembly built 6 03 thru 12 07
|
4C |
Diagram p20
Table p20
|
Open diagram View |
|
mount frame assembly built 9 02 thru 6 03
|
4C |
Diagram p19
Table p19
|
Open diagram View |
|
mount frame assembly built from 6 09
|
4C |
Diagram p24
Table p24
|
Open diagram View |
Waltco C-Series (Models 221/222) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
mount frame assembly built from 6 09
|
40 |
Diagram p12
Table p12
|
Open diagram View |
Reference Notice: Diagram images are reference material only and may not always be perfectly aligned with every model variation. We're a small team behind a big catalog. If you spot something off or just want a second set of eyes, contact us. Getting your order right matters to us.
- Gallery
- Description
-
-
Waltco Liftgate | 75085003 — C-15 / C-20 MOUNT FRAME ASSEMBLY · p.11 (Waltco C-Series Parts Manual) -
Waltco Liftgate | 75085003 — HLF MOUNT FRAME ASSY, 25&30 · p.10 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085003 — C-15 / C-20 MOUNT FRAME ASSEMBLY · p.11 (Waltco C-Series Parts Manual) -
Waltco Liftgate | 75085003 — HLF MOUNT FRAME ASSY, 40 & 50 LEGACY 40, 50, & CERTIFIED UNDERRIDE · p.12 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085003 — HEAVY-STYLE AUX BATTERY BOX · p.26 (Waltco HLF Parts Manual)
Liftgate hex nut, 5/16-18, serrated. This is an OEM product made by Waltco Liftgate.