Key Parameters
| Parameter | Value |
|---|---|
| Part number (current) | R 21177013 |
| Part number (old catalogue) | 21175009 |
| RR catalogue number | RR31559 |
| Cartridge size | ⌀106×52 mm |
| Quantity per compressor | 1–2 pcs. |
| Replacement interval | every 500 operating hours |
| Applicable blocks | LT100 (Lacme, France) |
| Compatible compressors | СБ4/Ф-500 LT100, 4V-1.05/12.5, V90, W95, W115 |
| Country of manufacture | Belarus |
Technical Specifications
| Parameter | Value |
|---|---|
| Part number | R 21177013 (21175009) |
| Outside diameter | ⌀106 mm |
| Height | 52 mm |
| Filter medium material | Corrugated cellulose paper |
| Quantity per compressor | 1–2 pcs. |
| Recommended replacement interval | 500 operating hours |
| Interval in dusty environment | 250–300 operating hours |
| Weight | ~200 g |
| Applicable blocks | Remeza / Aircast LT100 (French Lacme head) |
| Compatible compressor models | СБ4/Ф-500 LT100, СБ4/Ф-500 LT100/16, СБ4/С-90 V90, СБ4/С-90 W95, СБ4/С-90 W115, СБ4/Ф-270 V80, 4V-1.05/12.5 |
| Country of manufacture | Belarus |
| Unit of sale | 1 pc. |
💡 Expert tip: on 4V-1.05/12.5 compressors (7.5 kW, 12.5 bar) the block runs under significantly greater thermal load than on standard 10-bar LT100 versions. In dusty conditions (woodworking, construction sites, bodywork grinding) shorten the cartridge replacement interval to 250–300 operating hours. A clogged air filter creates vacuum at the inlet: the block “suffocates”, heat output rises, and piston ring and valve wear accelerates sharply.
Two Part Numbers — One Part
The LT100 air filter cartridge carries two current designations across different editions of the Remeza catalogue:
- R 21177013 — current factory part number with the R prefix
- 21175009 — earlier catalogue number without prefix
Both refer to the same original cartridge. Either part number is sufficient when ordering — the same Belarus-manufactured part is supplied in both cases.
Compatibility: Which Compressors Does It Fit
Cartridge R 21177013 / 21175009 is used on all Remeza / Aircast / AE&T / Patriot piston compressors with the LT100 block (French Lacme compression head) and the related V90, W95, W115 blocks:
| Compressor model | Block | Cartridges required |
|---|---|---|
| СБ4/Ф-500 LT100 (10 bar) | LT100 | 1–2 pcs. |
| СБ4/Ф-500 LT100/16 (16 bar) | LT100 | 1–2 pcs. |
| 4V-1.05/12.5 (7.5 kW, 12.5 bar) | LT100-type | 1–2 pcs. |
| СБ4/С-90 V90 | V90 | 1–2 pcs. |
| СБ4/С-90 W95-6 / W95-10 | W95 | 1–2 pcs. |
| СБ4/С-90 W115-6 / W115-10 | W115 | 1–2 pcs. |
| СБ4/Ф-270 V80 | V80 | 1–2 pcs. |
⚠️ Important: do not confuse with cartridges for the LB series (LB30, LB40, LB50, LB75) — those have a different size ⌀65×62 mm and part numbers 21125014 / 21175007. The LT100 and LB-series blocks are constructively different.
What Happens When Replacement Is Overdue
A blocked air filter cartridge triggers a chain of consequences:
- Inlet vacuum — the block operates at reduced atmospheric pressure at the inlet; output drops 10–25%
- Rising discharge temperature — less air → less cooling → overheating of valves and piston rings
- Accelerated valve wear — the intake valve opens at higher frequency, service life is reduced 2–3×
- Check valve failure — pressure differential across the worn valve rises sharply when the filter is blocked
- Increased power consumption — the motor draws more current while output is lower
One cartridge every 500 operating hours costs many times less than repairing the valve group or overhauling the block.
Why Acvatron SRL — 5 Solid Reasons
Original Remeza Parts with Documentation
We supply genuine R 21177013 cartridges with invoice, manufacturer part number, and customs tariff code. No “compatible” Chinese product under a Belarusian brand — original only.
Selection by Compressor Model
Tell us your compressor model — we confirm the number of cartridges and availability. If you have a 4V-1.05/12.5 — we clarify the specifics of that block and the replacement interval for your operating conditions.
Stock in Chisinau
Cartridges for LT100 and LB-series blocks are held in permanent stock. Same-day dispatch for orders placed before 14:00.
Documentation for Enterprises
Every item ships with an invoice carrying the customs tariff code for maintenance cost write-off. For legal entities — a full document package for spare parts inventory registration.
Complete Remeza LT100 Parts Stock
Beyond the air cartridge — V-belts B2000 (p/n 4301307900), connecting rods, piston rings, valves, compressor oil. All consumables for scheduled LT100 block maintenance in one place.
LT100 / 4V-1.05/12.5 Maintenance Schedule
| Operation | Interval | Part number |
|---|---|---|
| Air filter cartridge replacement | every 500 hours | R 21177013 / 21175009 |
| Compressor oil change | every 500 hours | — |
| B2000 belt tension check | every 500 hours | 4301307900 |
| B2000 belt replacement | every 1,000 hours | 4301307900 |
| Valve inspection | every 1,500 hours | — |
| Block major inspection | every 3,000 hours | — |
Applications
Industrial Enterprises and Manufacturing
- Centralised compressor stations with LT100 block at 10 and 16 bar
- Compressors supplying pneumatic lines in assembly shops
- Abrasive blasting installations with high air consumption (4V-1.05/12.5)
Automotive Service and Heavy-Vehicle Tyre Fitting
- 12.5-bar compressors for inflating heavy vehicle tyres (4V-1.05/12.5)
- Spray painting booths with multi-bay supply
- High-intensity service centres
Construction and Road Works
- Pneumatic breaker and drill air supply
- Compressors on construction sites — high-dust conditions
Expert Opinion
“The air cartridge for the LT100 is the cheapest and most important spare part in maintaining this block. The picture I see most often is always the same: cartridge not changed for 1,500–2,000 hours, the block starts overheating and losing output, valves are burnt. All of it — the consequence of one missed replacement costing a few hundred lei. On 4V-1.05/12.5 compressors running at 12.5 bar the situation is even more critical: high pressure creates greater thermal load on the piston rings, and a clogged air filter means accelerated wear squared. My recommendation: keep a spare cartridge next to the compressor. Replacement takes 5 minutes and requires no tools.”
Vitalie Bolucevski, Chief Engineer, Acvatron SRL — 15 years in the industry
How to Install the LT100 Air Filter Cartridge
- Stop the compressor and wait for pressure to fully discharge from the receiver.
- Open the air filter housing cover — typically a plastic cup with clips or a central bolt.
- Remove the old cartridge — pull straight out along the filter axis.
- Check the O-ring on the housing mounting flange — replace if necessary.
- Insert the new cartridge R 21177013 to the stop, confirm correct seating all around.
- Close the cover, start the compressor, check for air leaks at the joint.
FAQ
❓ What is the difference between part numbers R 21177013 and 21175009 — are they different parts?
No, they are the same part. R 21177013 is the current factory part number with the R prefix; 21175009 is the earlier catalogue number without prefix. After Remeza updated its numbering system both designations remained valid and refer to an identical cartridge. Either part number is sufficient when ordering.
❓ How many cartridges does a Remeza LT100 or 4V-1.05/12.5 compressor require?
Standard configuration — 1 pc. on most models. However, certain variants of the СБ4/Ф-500 LT100 use 2 cartridges simultaneously. Check the compressor nameplate or block parts diagram — we confirm the quantity against the full model index when you order.
❓ Where can I buy the Remeza LT100 air filter cartridge R 21177013 in Moldova?
The air filter cartridge ⌀106×52 mm for Remeza LT100 and 4V-1.05/12.5 compressors (p/n R 21177013 / 21175009) is in stock at Acvatron SRL, Chisinau. Recommended replacement every 500 operating hours. Contact us at acvatron.md or WhatsApp.
