Part number cross-reference guide

Instantly cross-reference old to new part numbers for RWO and Deckma marine equipment
Finding the correct RWO or Deckma spare part can be challenging when part numbers change. This comprehensive cross-reference guide helps you identify current part numbers from old reference codes, Pos. numbers, or equipment models. With over 400 genuine parts cataloged, you can quickly find the exact component you need for your RWO oily water separator, sewage treatment plant, or Deckma bilge alarm system.
Quick Benefits:

How to use this part number reference

Start with what you have. Choose a route to the current part number.

I have an old part numberOld number → current number → quotationExplore +
  1. Find your old number in Table 1.
  2. Read the New PN and check the description.
  3. Send the current part number for a quotation.
Go to Table 1 →
I have a drawing or modelModel + Pos. number → current partExplore +
  1. Find the position number on your equipment drawing.
  2. Match both the equipment model and Pos. number in Table 2.
  3. Check the description, then request a quotation using the New P/N.
Go to Table 2 →
I need help identifying a partNameplate + serial number + photosExplore +

Send the equipment model, serial number, nameplate photo and a photo of the existing part. Include any old reference you have.

Request part identification →

Use your browser’s Find on the displayed table rows. Check other pages if needed. Multiple matches? Send your equipment serial number so we can confirm the correct part.

Table 1: old part number to new part number cross-reference

Match an old RWO or Deckma part number to its current reference, then check the description and equipment details before ordering.

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Old PN
New PN
Description
8321000002
SESTSN316908
Cover gasket
31
DEB 10,0
8320250002
SESTSN316910
Cover gasket
31
DEB 2,5
8320500002
SESTSN316909
Cover gasket coalescer
31
DEB 5,0
8320150001
SESTSN317664
Cover gasket coalescer
31
DEB 1,5
8320100002
SESTSN316911
Cover gasket coalescer
31
DEB 1,0
8320050002
SESTSN316912
Cover gasket coalescer
31
DEB 0,5
8320025002
SEGASN316937
Cover gasket coalescer
31
DEB 0,25
8320010002
SEGASN316936
Cover gasket coalescer
31
DEB 0,1
6819200001
TOTOGU314283
Bottom nipple mounting tool
-
DEB 0,25; DEB 0,5; DEB 1,0; DEB 1,5; DEB 2,5; DEB 5,0; DEB 10,0
6819100001
CMSPGU316391
Coalescer key
-
DEB 10,0
6819050001
CMSPGU316390
Coalescer key
-
DEB 5,0
6819025001
CMSPGU316387
Coalescer key
-
DEB 1,5; DEB 2,5
6819010001
CMSPGU316386
Coalescer key
-
DEB 0,5; DEB 1,0
6819002501
CMSPGU316388
Coalescer key
-
DEB 0,25
6819001001
CMSPGU316389
Coalescer key
-
DEB 0,1
Important notes below table:
Notes:

Part number search by Pos. number & equipment model

Match both the equipment model and the position number from your drawing to find the current part number. Verify the description and equipment capacity before ordering.

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Pos. No.
Equipment Model
New P/N
Description
27A
DEB 0,1; DEB 0,25; DEB 0,5; DEB 1,0; DEB 1,5
VABLBR305698
2/2 way drain ball valve 1/2"
42, 59
DEB 0,1; DEB 0,25; DEB 0,5; DEB 1,0; DEB 1,5; DEB 2,5; DEB 5,0; DEB 10,0
VABLBR305696
2/2way ball valve 1/4"
55
DEB 10,0
VABLCI340968
3/2 way manual valve DN50 L-pos
55
DEB 2,5; DEB 5,0
VABLCI340989
3/2 way valve man. operated DN40 L
55
DEB 1,5
VABLCI340988
3/2 way manual valve PN16 DN32 L
43
DEB 10,0
VARFBZ340380
Safety valve 3.3 B, 1 1/4"
12
DEB 10,0
VARFBZ340376
Safety valve 1.1 B, 1,0"
43
DEB 5,0
VARFBZ340373
Safety valve, 3.3 B, 3/4"
12
DEB 5,0
VARFBZ340371
Safety valve, 1.1 B, 3/4"
43
DEB 0,1; DEB 0,25; DEB 0,5; DEB 1,0; DEB 1,5; DEB 2,5
VARFBZ340367
Safety valve 3.3 B, 1/2"
12
DEB 0,1; DEB 0,25; DEB 0,5; DEB 1,0; DEB 1,5; DEB 2,5
VARFBZ340327
Safety valve, 1.1 B, 1/2"
307, 301, 303, 304, 306, 308
DEB 10,0
SPSVPU318109
package no 2, coupling rod AEP6-2
203, 204, 207, 201, 301, 202
DEB 10,0
SPSVPU318120
Package no 4, packing gland 6-2/10D
203, 204, 207, 201, 301, 202
DEB 2,5; DEB 5,0
SPSVPU318118
Package no 4, packing gland for AEP 4-2, 5-2
125, 207, 123, 301, 303, 304, 306, 308
DEB 10,0
SPSVPU318070
Package no 1, shaft for AEP 6-2
Important notes below table:
Notes:

Supported RWO & Deckma equipment models

Select an equipment family to see the models covered in this reference.

RWO separatorsOWS-COM and legacy Skit seriesExplore +
  • OWS-COM 0.5 m³/h
  • OWS-COM 1.0 m³/h
  • OWS-COM 2.5 m³/h
  • OWS-COM 5.0 m³/h
  • OWS-COM 10.0 m³/h
  • Legacy Skit series models
RWO AEP pumpsAEP 1 through AEP 6Explore +
  • AEP 1 series
  • AEP 2 series
  • AEP 3 series
  • AEP 4 series
  • AEP 5 series
  • AEP 6 series
Deckma OMDOil content monitors and bilge alarmsExplore +
  • OMD 2005
  • OMD 24
  • OMD 2008 series
Have a different model? Contact us →

Explore parts by system

Choose a system to explore its spare-part groups.

OWS-COMFilters · controls · mechanical partsExplore +

Filter & treatment

  • Coalescer filter material
  • Adsorber cartridge filters
  • Filter housing seals and gaskets
  • Complete filter service kits

Monitoring & control

  • Sensor electrodes
  • Heating elements
  • PC boards and display boards
  • Control relays

Mechanical components

  • AEP series pump parts (stators, rotors, shafts)
  • Solenoid valves
  • Pressure gauges
Browse RWO spare parts →
CS-BIOAeration · dosing · electrical partsExplore +

Aeration system

  • Blower units
  • Blower service kits
  • Air diffusers
  • Aeration tank components

Treatment & dosing

  • Chemical dosing pumps
  • Treatment chemicals
  • Dosing system components

Electrical & control

  • Control panels
  • Level sensors
  • Float switches
Browse RWO spare parts →
Deckma OMDMeasuring cells · test kits · desiccatorsExplore +

Measurement components

  • Measuring cells (15 ppm and 5 ppm versions)
  • Cell testing kits
  • Desiccator units
Browse Deckma spare parts →
Frequently asked

Frequently asked questions

Chief engineers and Ship managers ask us these every week. Still need an answer? Contact us directly.
Quote form (recommended)
npmarine.sg/contact →
Email
sales@npmarine.sg
whatsapp
+65 97684033

Frequently asked questions
- part number cross-reference/

1. Why do RWO and Deckma part numbers change?

2. Will a new part number fit my old equipment?
3. What if I can't find my old part number in the reference table?
4. Can I order using the old part number?
5. Are all parts in this reference available from stock?
6. How often is this cross-reference updated?