KHARISMA DEWI, SUCI (2025) ANALISIS PENGENDALIAN PERSEDIAAN MATERIAL PENETRANT OIL DI PT. ASTRA INTERNASIONAL, TBK, TSO. AUTO2000 CABANG PASTEUR. Diploma thesis, UNIVERSITAS LOGISTIK DAN BISNIS INTERNASIONAL.
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ABSTRAK Dewi, Suci Kharisma. 2025. Analisis Pengendalian Persediaan Material Penetrant Oil Di Pt. Astra Internasional Tbk, Tso. Auto2000 Cabang Pasteur. Tugas Akhir. Prodi D-III Administrasi Logistik, Universitas Logistik dan Bisnis Internasional. Dosen Pembimbing Hilman Setiadi, S.Pd., SE., MM. Dosen Pembimbing Pendamping Dr. Ali Mohamad Rezza S.T., M.M. Kata Kunci: Persediaan, lost sales, Model P probabilistik, Penetrant Oil Permasalahan kekurangan persediaan (stockout) merupakan tantangan signifikan dalam manajemen gudang, khususnya bagi perusahaan jasa otomotif seperti PT. Astra International Tbk, Tso Auto2000 Cabang Pasteur. Berdasarkan penlitian, ditemukan bahwa produk Penetrant Oil mengalami kekurangan stok berulang dari Januari 2024 hingga Juni 2025, yang berdampak pada terjadinya lost sales dan penurunan kualitas layanan bengkel. Penelitian ini bertujuan untuk menganalisis dan mengusulkan kebijakan pengendalian persediaan yang lebih optimal menggunakan pendekatan Probabilistik Model P Lost Sales. Metode ini dipilih karena mampu memperhitungkan risiko kehilangan penjualan akibat kekosongan stok, serta menggabungkan komponen biaya pemesanan, biaya penyimpanan, dan biaya kehilangan penjualan. Pengolahan data dilakukan secara iteratif untuk menentukan interval waktu antar pemesanan (T) dan jumlah maksimum persediaan (R) yang menghasilkan biaya total persediaan paling minimal. Hasil penelitian menunjukkan bahwa kebijakan persediaan optimal diperoleh pada nilai T sebesar 0,25 tahun, R sebanyak 2.928 unit, safetystock 239 unit, dan kekurangan persediaan sebesar 44 unit. Total biaya persediaan tahunan yang dihasilkan sebesar Rp. 226.520.799,- lebih rendah dibandingkan dengan kebijakan perusahaan sebelumnya sebesar Rp. 228.676.092,-. Dengan demikian, penerapan metode Probabilistik Model P Lost Sales terbukti efektif dalam menurunkan biaya dan meningkatkan keandalan pengendalian stok di Auto2000 Cabang Pasteur. vii Universitas Logistik dan Bisnis Internasional ABSTRACT Dewi, Suci Kharisma. 2025. Inventory Control Analysis of Penetrant Oil Material at PT. Astra International Tbk, TSO Auto2000 Pasteur Branch. Final Project, Diploma in Logistics Administration Program, Universitas Logistik dan Bisnis Internasional Bandung. Main Advisor: Hilman Setiadi, S.Pd., SE., MM. Co-Advisor: Dr. Ali Mohamad Rezza, S.T., M.M Keywords: Inventory, lost sales, Probabilistic Model P, Penetrant Oil:. The issue of inventory shortages (stockouts) is a significant challenge in warehouse management, particularly for automotive service companies such as PT. Astra International Tbk, TSO Auto2000 Pasteur Branch. Based on the research, it was found that the Penetrant Oil product experienced repeated stock shortages from January 2024 to June 2025, resulting in lost sales and a decline in workshop service quality. This study aims to analyze and propose a more optimal inventory control policy using the Probabilistic Model P with Lost Sales approach. This method was chosen for its ability to account for the risk of lost sales due to stockouts, while also incorporating ordering costs, holding costs, and lost sales costs. Data processing was carried out iteratively to determine the ordering interval (T) and the maximum inventory level (R) that result in the lowest total inventory cost. The research findings show that the optimal inventory policy is achieved at a T value of 0.25 years, with R amounting to 2,928 units, a safety stock of 239 units, and a shortage of 44 units. The resulting total annual inventory cost is IDR 226.520.799,- which is lower than the company’s previous policy cost of IDR 228.676.092,-. Thus, the implementation of the Probabilistic Model P with Lost Sales method proves effective in reducing costs and increasing inventory control reliability at the Auto2000 Pasteur Branch.
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | H Social Sciences > HD Industries. Land use. Labor |
| Divisions: | Sekolah Vokasi > Administrasi Logistik D3 |
| Depositing User: | PKL Sepuluh Sepuluh |
| Date Deposited: | 26 May 2026 08:33 |
| Last Modified: | 26 May 2026 08:33 |
| URI: | http://eprints.ulbi.ac.id/id/eprint/3947 |
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