PRODUCT DETAILS
Liftgate lock nut, 3/8-16 centerlock. This is an OEM product made by Waltco Liftgate.
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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 MDL / MDL HP / MDLBG / SB / DD
4/2011WALTCO EM SERIES
1/2010WALTCO C SERIES
3/2011WALTCO PTN
7/2009WALTCO MDL & MDLBG SERIES (MODELS 430 436)
pre-2000WALTCO MDV
4/2025WALTCO HLF
4/2025WALTCO GTSL
11/2016WALTCO GT
9/2015WALTCO WDV / WDVBG
2/2016SHIPPING 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 Policy
OEM Parts Diagram References
Find this Waltco Liftgate part in original OEM diagrams. Each link opens directly to the matching section in a new tab.
Reference 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.
75085188 is found in 40 OEM diagram references across 8 Waltco Liftgate manuals.
Waltco MDL / MDL-HP / MDLBG / SB / DD Parts Manual
4/2011| Section | Item # | Pages | Link |
|---|---|---|---|
|
aluminum mdlbg platform power close
|
16 |
Diagram p25
Table p25
|
Open diagram View |
|
aluminum mdlbg platforms
|
16 |
Diagram p24
Table p24
|
Open diagram View |
|
aluminum single piece platforms
|
19 |
Diagram p13
Table p13
|
Open diagram View |
|
aluminum single piece platforms
|
7 |
Diagram p14
Table p14
|
Open diagram View |
|
aluminum single piece platforms
|
7 |
Diagram p15
Table p15
|
Open diagram View |
|
aluminum single piece platforms
|
11 |
Diagram p16
Table p16
|
Open diagram View |
|
aluminum single piece platforms
|
5 |
Diagram p17
Table p17
|
Open diagram View |
|
aluminum single piece platforms
|
5 |
Diagram p18
Table p18
|
Open diagram View |
|
aluminum single piece platforms 12 aluminum retension ramp arr w power close
|
5 |
Diagram p19
Table p19
|
Open diagram View |
|
aluminum two piece platforms
|
5 |
Diagram p20
Table p20
|
Open diagram View |
|
aluminum two piece platforms 12 ramp and 12 ramp w cart stops break at 36 w power close
|
5 |
Diagram p21
Table p21
|
Open diagram View |
|
cylinder assembly
|
4 |
Diagram p33
Table p33
|
Open diagram View |
|
h frame assembly standard
|
9 |
Diagram p26
Table p26
|
Open diagram View |
|
mdl 12 mdl 16 mdl 20 steel single piece platforms 12 ramp manual fold
|
14 |
Diagram p10
Table p10
|
Open diagram View |
|
mdl 30 steel single piece platforms 12 ramp manual fold
|
14 |
Diagram p11
Table p11
|
Open diagram View |
|
mdl mdlbg runner assy
|
7 |
Diagram p29
Table p29
|
Open diagram View |
|
power close option
|
32 |
Diagram p32
Table p32
|
Open diagram View |
|
steel mdlbg platforms
|
16 |
Diagram p22
Table p22
|
Open diagram View |
|
steel mdlbg platforms
|
16 |
Diagram p23
Table p23
|
Open diagram View |
|
steel single piece platforms 100 oaw liftgates
|
14 |
Diagram p9
Table p9
|
Open diagram View |
|
steel single piece platforms 6 and 12 ramp power close
|
8 |
Diagram p12
Table p12
|
Open diagram View |
|
steel single piece platforms 94 oaw liftgates
|
14 |
Diagram p8
Table p8
|
Open diagram View |
Waltco C-Series Parts Manual
3/2011| Section | Item # | Pages | Link |
|---|---|---|---|
|
aluminum platform assembly
|
7 |
Diagram p9
Table p9
|
Open diagram View |
|
platform assemblies complete
|
13 |
Diagram p10
Table p10
|
Open diagram View |
Waltco MDL & MDLBG-Series (Models 430-436) Parts Manual
pre-2000| Section | Item # | Pages | Link |
|---|---|---|---|
|
h frame assembly standard
|
9 |
Diagram p4
Table p4
|
Open diagram View |
Waltco MDV Parts Manual
4/2025| Section | Item # | Pages | Link |
|---|---|---|---|
|
heavy style aux battery box
|
4 |
Diagram p21
Table p21
|
Open diagram View |
|
mdv platform asm
|
8 |
Diagram p10
Table p10
|
Open diagram View |
Waltco HLF Parts Manual
4/2025| Section | Item # | Pages | Link |
|---|---|---|---|
|
heavy style aux battery box
|
4 |
Diagram p26
Table p26
|
Open diagram View |
|
hlf aluminum platform assembly 25 30 40
|
20 |
Diagram p15
Table p15
|
Open diagram View |
|
hlf aluminum platform assembly 40 50 legacy 40 50 style b
|
32 |
Diagram p16
Table p16
|
Open diagram View |
|
hlf bed ext dock bumpers light kits l fit style 2015 2019
|
28 |
Diagram p18
Table p18
|
Open diagram View |
|
hlf bed ext dock bumpers light kits reversible style 2019 to current
|
25 |
Diagram p17
Table p17
|
Open diagram View |
|
hlf mount frame assy 25 30
|
31 |
Diagram p10
Table p10
|
Open diagram View |
|
hlf mount frame assy 40 50 legacy 40 50 certified underride
|
31 |
Diagram p12
Table p12
|
Open diagram View |
|
hlf mount frame assy 40 non underride style a
|
32 |
Diagram p11
Table p11
|
Open diagram View |
|
hlf non certified bolt on bumper kit
|
9 |
Diagram p14
Table p14
|
Open diagram View |
Waltco GTSL Parts Manual
11/2016| Section | Item # | Pages | Link |
|---|---|---|---|
|
platform
|
24 |
Diagram p11
Table p11
|
Open diagram View |
Waltco GT Parts Manual
9/2015| Section | Item # | Pages | Link |
|---|---|---|---|
|
platform
|
27 |
Diagram p11
Table p11
|
Open diagram View |
Waltco WDV / WDVBG Parts Manual
2/2016| Section | Item # | Pages | Link |
|---|---|---|---|
|
platform aluminum
|
24 |
Diagram p10
Table p10
|
Open diagram View |
|
runner assembly
|
18 |
Diagram p18
Table p18
|
Open diagram View |
OEM Parts Diagram Images
Browse highlighted diagram images for this part, filtered by liftgate model.
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
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Waltco Liftgate | 75085188 — Platform Assemblies Complete · p.10 (Waltco C-Series Parts Manual) -
Waltco Liftgate | 75085188 — Aluminum Platform Assembly · p.9 (Waltco C-Series Parts Manual) -
Waltco Liftgate | 75085188 — Aluminum Platform Assemblies · Diagram p.17 · Table p.16 (Waltco EM-Series Parts Manual) -
Waltco Liftgate | 75085188 — Platform Assemblies Complete · p.10 (Waltco C-Series Parts Manual) -
Waltco Liftgate | 75085188 — HLF MOUNT FRAME ASSY, 40 NON-UNDERRIDE, STYLE A · p.11 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF MOUNT FRAME ASSY, 40 & 50 LEGACY 40, 50, & CERTIFIED UNDERRIDE · p.12 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF- NON-CERTIFIED BOLT-ON BUMPER KIT · p.14 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF ALUMINUM PLATFORM ASSEMBLY 25,30&40 · p.15 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF ALUMINUM PLATFORM ASSEMBLY 40 & 50 LEGACY 40, & 50 - STYLE "B" · p.16 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF BED EXT, DOCK BUMPERS & LIGHT KITS REVERSIBLE-STYLE, ~2019 TO CURRENT · p.17 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HLF BED EXT, DOCK BUMPERS & LIGHT KITS "L"-FIT -STYLE, ~2015-2019 · p.18 (Waltco HLF Parts Manual) -
Waltco Liftgate | 75085188 — HEAVY-STYLE AUX BATTERY BOX · p.26 (Waltco HLF Parts Manual)
Liftgate lock nut, 3/8-16 centerlock. This is an OEM product made by Waltco Liftgate.